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There is a time when a man distinguishes the idea of felicity from the idea of wealth; it is the beginning of wisdom.

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Richard P. Feynman

Experiment is the sole judge of the validity of any idea.

Ideas, Judge, Judging, Sole, Validity
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I would rather have questions that can't be answered than answers that can't be questioned.

Answered, Answers, Questioned, Questions

Fall in love with some activity, and do it! Nobody ever figures out what life is all about, and it doesn't matter. Explore the world. Nearly everything is really interesting if you go into it deeply enough. Work as hard and as much as you want to on the things you like to do the best. Don't think about what you want to be, but what you want to do. Keep up some kind of a minimum with other things so that society doesn't stop you from doing anything at all.

Falling In Love, Interesting, Matter, Nearly, Nobody, Thinking

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

Education, Encouraging, Inspirational, Manner, Possible, Study

You have no responsibility to live up to what other people think you ought to accomplish. I have no responsibility to be like they expect me to be. It's their mistake, not my failing.

Accomplish, Confidence, Expect, Failing, Life, Powerful

When a scientist doesn't know the answer to a problem, he is ignorant. When he has a hunch as to what the result is, he is uncertain. And when he is pretty darn sure of what the result is going to be, he is still in some doubt. We have found it of paramount importance that in order to progress we must recognize our ignorance and leave room for doubt. Scientific knowledge is a body of statements of varying degrees of certainty - some most unsure, some nearly sure, but none absolutely certain.

Ignorance, Ignorant, Order, Recognize, Scientist, Statements
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