Wonder is the beginning of wisdom.
I am a lover of truth, a worshipper of freedom, a celebrant at the altar of language and purity and tolerance.
Wisdom is not the product of schooling, but of the lifelong attempt to acquire it.
Almost every wise saying has an opposite one, no less wise, to balance it.
Rest satisfied with doing well, and leave others to talk of you as they please.
Better mad with the rest of the world than wise alone.
Moderation in temper is always a virtue; but moderation in principle is always a vice.
Reality leaves a lot to the imagination.
He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.
Just remember, once you're over the hill you begin to pick up speed.
Compassion is the basis of morality.
If you do not know the laws of right conduct, you cannot form your character.
Resist much. Obey little.
The first method for estimating the intelligence of a ruler is to look at the men he has around him.
You are not a drop in the ocean. You are the entire ocean, in a drop.
Yesterday is but today's memory and tomorrow is today's dream.
If you don't know where you're from, you'll have a hard time saying where you're going.
It is not enough to have a good mind; the main thing is to use it well.
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.
An understanding of the natural world is a source of not only great curiosity, but great fulfilment.
Every aquarium will eventually leak.