Everyone wants to change the world, but nobody wants to change himself.

In difficult circumstances always act on first impressions.

To get rid of an enemy one must love him.

Life is fragile and absurd.

I say that the God who created the world in six days and who sent His son, and also his son himself, are not God, but that God is the one existing, incomparable good, the beginning of everything.

Mathematics is the queen of disciplines.... it will drive the nonsense out of your head!

Those whom God wishes to destroy he drives mad.

Well, pray if you like, only you'd do better to use your judgment.

To tell the truth is very difficult, and young people are rarely capable of it.

And so he who looks down at his feet will not know the truth, but he who discerns by the sun which way to go.

Something magical has happened to me: like a dream when one feels frightened and creepy, and suddenly wakes up to the knowledge that no such terrors exist. I have wakened up.

Government is an association of men who do violence to the rest of us.

Only people who are capable of loving strongly can also suffer great sorrow, but this same necessity of loving serves to counteract their grief and heals them.

You consider war to be inevitable? Very good. Let everyone who advocates war be enrolled in a special regiment of advance-guards, for the front of every storm, of every attack, to lead them all!

All the variety, all the charm, all the beauty of life is made up of light and shadow.

Love does not exist. There exists the physical need for intercourse, and the rational need for a mate in life

There is nothing more harmful to you than improving only your material, animal side of life. There is nothing more beneficial, both for you and for others, than activity directed to the improvement of your soul.

He never chooses an opinion; he just wears whatever happens to be in style.

The struggle with evil by means of violence is the same as an attempt to stop a cloud, in order that there may be no rain.