Did Mark Twain Really Say “Twenty Years From Now You Will Be More Disappointed”?
It is on mugs, posters, and a thousand travel captions, always with his name on it. The trouble is, Mark Twain never wrote it. Here is who did, and the travel line he actually left us.
The short answer: no. Mark Twain did not write “Twenty years from now you will be more disappointed by the things that you didn’t do than by the ones you did do.” There is no trace of it in his books, his letters, or his speeches. The earliest known source is a 1990 book by a different writer entirely, and the people who track these things down agree.
If you have used it, you are in very good company. It is one of the most shared “Mark Twain” lines on the internet, and the sentiment behind it is real even if the signature is wrong. Let us sort out who actually said it, why it ended up under Twain’s name, and what he genuinely wrote about travel so you have a line you can use with confidence.
The quote everyone credits to Mark Twain
Twenty years from now you will be more disappointed by the things that you didn’t do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.
— Often misattributed to Mark Twain Actually H. Jackson Brown Jr., P.S. I Love You (1990) No verified Twain source exists for this passage.
It is a lovely piece of writing, which is part of the problem. It sounds like the kind of thing a plain-spoken, adventurous American writer would say, and Twain is the plain-spoken, adventurous American writer most people can name. So the line drifted toward him, the way famous quotes tend to drift toward famous names.
Where the quote actually comes from
The passage first appears in print in P.S. I Love You, a 1990 collection of sayings and advice published by the author H. Jackson Brown Jr. Brown is best known for Life’s Little Instruction Book, the bestseller that came a year later. P.S. I Love You gathered the small wisdoms of his mother, Sarah Frances Brown, and this was one of hers. Brown has said plainly that he could find no evidence Twain ever wrote it, and that he believed the words were his mother’s.
The most careful public trail on this belongs to Garson O’Toole, the researcher behind Quote Investigator, who specialises in tracing quotations back to their first verifiable appearance. His investigation found the 1990 book and nothing earlier, and no link to Twain at all. When the genuine record for a “Twain” quote starts eighty years after Twain published his first book and zero years before a different author printed it, the attribution is settled.
Why everyone thinks it is Mark Twain
Three things stacked up. First, the line had no competing famous name attached early on, so the field was open. Second, it reads like Twain: direct, a little salty, firmly on the side of doing the brave thing. Third, once a few high-profile reprints put his name on it, including motivational posters and travel and service-organisation materials through the 1990s, social media did the rest. Researchers have a name for this drift: quotes accumulate around the famous, the way credit accumulates around the already-credited.
None of that makes the words less true. It just means the name on them is wrong, and a quotes site that cares about getting attribution right would rather tell you than let it slide.
What Mark Twain actually said about travel
Here is the good news. Twain wrote one of the best travel lines in the language, and it is fully verified, sitting in the Conclusion of his 1869 travel book The Innocents Abroad.
Travel is fatal to prejudice, bigotry, and narrow-mindedness, and many of our people need it sorely on these accounts. Broad, wholesome, charitable views of men and things cannot be acquired by vegetating in one little corner of the earth all one’s lifetime.
— Mark Twain The Innocents Abroad (1869), Conclusion Verified primary source: Project Gutenberg #3176
That is the real thing, and it carries the same spirit as the misquote: go, look, let the world widen you. If you want more of him, the genuine lines are gathered on our Mark Twain travel quotes page, and the books behind them are ranked in our guide to Mark Twain’s best books, every one free at Project Gutenberg.
How to check a quote before you trust it
A quick habit saves a lot of embarrassment, especially if the quote is going on a wall, a tattoo, or a wedding speech. Start at Quote Investigator, which traces lines to their first appearance. If a quote is attributed to someone famous but no source names the book, the chapter, or the year, treat that as a warning, not a citation. And when you find the real origin, credit it. “Attributed to” is an honest phrase. “Mark Twain said”, when he did not, is not.
Frequently asked questions
Did Mark Twain say “twenty years from now you will be more disappointed by the things you didn’t do”?
No. There is no record of this line in any of Mark Twain’s published work, letters, or speeches. The earliest documented appearance is the 1990 book P.S. I Love You by H. Jackson Brown Jr., who attributed the saying to his mother, Sarah Frances Brown. The researcher Garson O’Toole (Quote Investigator) confirmed there is no evidence connecting it to Twain.
Who actually wrote “sail away from the safe harbor”?
H. Jackson Brown Jr. published it in P.S. I Love You (1990), a collection of advice and sayings from his mother. He has said he could not find any evidence Mark Twain wrote it, and believed the words were his mother’s.
What is the full quote?
“Twenty years from now you will be more disappointed by the things that you didn’t do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.” It is genuinely good. It is simply not Twain.
What did Mark Twain actually say about travel?
His best-known verified travel line is from The Innocents Abroad (1869): “Travel is fatal to prejudice, bigotry, and narrow-mindedness, and many of our people need it sorely on these accounts.” You can read more of his verified lines on our Mark Twain travel quotes page.
Why is it so often credited to Mark Twain?
The line sounds like Twain, it had no competing early attribution, and once a few high-profile reprints put his name on it, social media did the rest. Quotes tend to drift toward famous names over time.
Can I still use the quote?
Yes, just credit it correctly: H. Jackson Brown Jr., P.S. I Love You (1990). It is a lovely sentiment. It simply is not Twain.
The sentiment is right, even if the name was wrong
Most people who share this quote are feeling something true: the quiet worry that the real regret, twenty years on, will be the road not taken. That worry deserves an honest answer, and the honest answer does not need a borrowed signature to be worth listening to. Credit it to H. Jackson Brown Jr. and his mother, keep the courage, and if you want a travelling companion for the feeling, Twain is right there in his own words.
