What advice would you give your twenty-year-old self, and what should they ignore?
Recorded Tim Cook said elsewhere, not written here
Fearlessness means taking the first step, even if you don't know where it will take you. It means being driven by a higher purpose rather than by applause.”

Duke University Commencement, Duke Today, 13 May 2018 source ↗

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Ellen Johnson Sirleaf President of Liberia, 2006–2018
So I urge my sisters, and my brothers, not to be afraid. Be not afraid to denounce injustice, though you may be outnumbered. Be not afraid to seek peace, even if your voice may be small. Be not afraid to demand peace.
Recorded Oslo City Hall, The Nobel Foundation, 10 December 2011 source ↗
Richard Feynman Theoretical physicist; Nobel laureate in Physics, 1965
So I wish to you—I have no more time, so I have just one wish for you—the good luck to be somewhere where you are free to maintain the kind of integrity I have described, and where you do not feel forced by a need to maintain your position in the organization, or financial support, or so on, to lose your integrity. May you have that freedom. May I also give you one last bit of advice: Never say that you'll give a talk unless you know clearly what you're going to talk about and more or less what you're going to say.
Recorded Caltech commencement address, Pasadena, California, Caltech Engineering and Science (Caltech Library archive), 1 June 1974 source ↗
Winston Churchill Prime Minister of the United Kingdom, 1940–1945 and 1951–1955; Member of Parliament 1900–1964
Come on now all you young men, all over the world. You are needed more than ever now to fill the gap of a generation shorn by the War. You have not an hour to lose. You must take your places in life's fighting line. Twenty to twenty-five! These are the years! Don't be content with things as they are. 'The earth is yours and the fulness thereof'. Enter upon your inheritance, accept your responsibilities. Raise the glorious flags again, advance them upon the new enemies, who constantly gather upon the front of the human army, and have only to be assaulted to be overthrown. Don't take No for an answer. Never submit to failure.
Recorded Chapter of his autobiography, written at Chartwell in 1930, Winston S. Churchill, My Early Life (Thornton Butterworth, 1930), Project Gutenberg Canada, October 1930 source ↗
Bill Gates Co-founder of Microsoft; co-chair of the Bill & Melinda Gates Foundation
My last piece of advice is the one I could have used the most. It took me a long time to learn. And it is this: You are not a slacker if you cut yourself some slack. When I was your age, I didn't believe in vacations. I didn't believe in weekends. I pushed everyone around me to work very long hours. In the early days of Microsoft, my office overlooked the parking lot—and I would keep track of who was leaving early and staying late. But as I got older—and especially once I became a father—I realized there is more to life than work. Don't wait as long as I did to learn this lesson.
Recorded Northern Arizona University Commencement, Gates Notes, 13 May 2023 source ↗

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