Honesty is the first chapter in the book of wisdom.

Stubborn and ardent clinging to one's opinion is the best proof of stupidity.

No matter how much suffering you went through, you never wanted to let go of those memories.

Science is organized knowledge. Wisdom is organized life.

The most courageous act is still to think for yourself. Aloud.

We never see ourselves as others see us.

Moderation in temper is always a virtue; but moderation in principle is always a vice.

Take care of the pieces well. The whole will take care of itself.

Power always thinks it has a great soul and vast views beyond the comprehension of the weak.

Just remember, once you're over the hill you begin to pick up speed.

Do not say a little in many words, but a great deal in few!

I think, therefore I am.

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

So many people have this idea: I want to achieve something great or be somebody great. And they neglect the step that leads to greatness. They don't honor this step at this moment because they have this idea of some future moment where they are going to be great.

Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.

Whatever you think the world is withholding from you, you are withholding from the world.

I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.

What a liberation to realize that the “voice in my head” is not who I am. Who am I then? The one who sees that.

Don't compromise yourself. You are all you've got.

The greatest of wealth is the richness of the soul.

Good means not merely not to do wrong, but rather not to desire to do wrong.