The greatest minds are capable of the greatest vices as well as of the greatest virtues.
Anger begins in folly, and ends in repentance.
The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.
As the soft yield of water cleaves obstinate stone, So to yield with life solves the insolvable: To yield, I have learned, is to come back again.
Property is surely a right of mankind as real as liberty.
Judge a man by his questions rather than by his answers.
Science has not yet taught us if madness is or is not the sublimity of the intelligence.
I write with experiences in mind, but I don't write about them, I write out of them.
If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.
Above all be of single aim; have a legitimate and useful purpose, and devote yourself unreservedly to it.
Let no man pull you low enough to hate him.
Never put off for tomorrow, what you can do today.
We thought that we had the answers, it was the questions we had wrong.
Be silent or let thy words be worth more than silence.
Kind words don't cost much. Yet they accomplish much.
Anywhere you go in the world is what you make of it, not what you read in books.
When you judge another, you do not define them, you define yourself.
If we can really understand the problem, the answer will come out of it, because the answer is not separate from the problem.
Respect yourself if you would have others respect you.
We must live together as brothers or perish together as fools.
All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.