Science is organized knowledge. Wisdom is organized life.
Act as if the maxim of your action were to become through your will a general natural law
The first method for estimating the intelligence of a ruler is to look at the men he has around him.
Do not reveal what you have thought upon doing, but by wise council keep it secret being determined to carry it into execution.
Learn from the mistakes of others. You can never live long enough to make them all yourself.
Better mad with the rest of the world than wise alone.
The secret of life, though, is to fall seven times and to get up eight times.
We choose our joys and sorrows long before we experience them.
Experience keeps a dear school, but fools will learn in no other.
There are things known and there are things unknown, and in between are the doors of perception.
He that cannot reason is a fool. He that will not is a bigot. He that dare not is a slave.
It is not enough to have a good mind; the main thing is to use it well.
Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.
What you're thinking is what you're becoming.
One must wait until the evening to see how splendid the day has been.
There is an art, or rather a knack to flying. The knack lies in learning how to throw yourself at the ground and miss.
The trouble with most of us is that we would rather be ruined by praise than saved by criticism.
We may encounter many defeats but we must not be defeated.
You are the bows from which your children as living arrows are sent forth.
Tis very certain the desire of life prolongs it.
We seldom realize, for example that our most private thoughts and emotions are not actually our own. For we think in terms of languages and images which we did not invent, but which were given to us by our society.