Each problem that I solved became a rule which served afterwards to solve other problems.

Don't raise your voice, improve your argument.

Early to bed and early to rise, Makes a man healthy, wealthy, and wise.

The use of travelling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are.

The simple things are also the most extraordinary things, and only the wise can see them.

Let no man pull you low enough to hate him.

It is not titles that honor men, but men that honor titles.

Although our intellect always longs for clarity and certainty, our nature often finds uncertainty fascinating.

Good advice is always certain to be ignored, but that's no reason not to give it.

Jealousy is the tribute mediocrity pays to genius.

What lies behind us and what lies ahead of us are tiny matters compared to what lives within us.

Nothing fixes a thing so intensely in the memory as the wish to forget it.

Experience is merely the name men gave to their mistakes.

I mistrust the judgement of every man in a case in which his own wishes are concerned.

You can best serve civilization by being against what usually passes for it.

Each day is a little life; every waking and rising a little birth; every fresh morning a little youth; every going to rest and sleep a little death.

A wise man can learn more from a foolish question than a fool can learn from a wise answer.

The only real mistake is the one from which we learn nothing.

Attachment is the great fabricator of illusions; reality can be attained only by someone who is detached.

To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.

Admiration is the daughter of ignorance.