The principal effect of the passions is that they incite and persuade the mind to will the events for which they prepared the body.

We do not describe the world we see, we see the world we can describe.

Whenever anyone has offended me, I try to raise my soul so high that the offense cannot reach it.

De omnibus dubitandum

Divide each difficulty into as many parts as is feasible and necessary to resolve it.

Conquer yourself rather than the world.

The reading of all good books is like a conversation with the finest minds of past centuries.

The chief cause of human errors is to be found in the prejudices picked up in childhood.

Doubt is the origin of wisdom

The only thing we have power over in the universe is our own thoughts.

How can you be certain that your whole life is not a dream?

Many sacred souls but same Spirit.

Failure is like flu. It can happen to anyone. Just as it is difficult to find a person who hasn’t had the flu, it is difficult to find someone who has not been stuck by failure at some time.

No man stops caring as long as he breathes. As long as he has a mind and memory, he will care. This is what separates us from the animals. We have feelings.

Best to live lightly, unthinkingly.

So much harm comes into this world when the wrong thing is said. But that's nothing compared to the pain from what goes unsaid.

to be honest and yet popular is almost as difficult in literature as it is in life.

There is no such thing as a 'self-made' man. We are made up of thousands of others.

I do not propose to criticize the fatuous argument I have just outlined; here, to expound is to expose.

Move, but don't move the way fear makes you move.

A contempt of the monuments and the wisdom of the past, may be justly reckoned one of the reigning follies of these days, to which pride and idleness have equally contributed.