It is the strange fate of man, that even in the greatest of evils the fear of the worst continues to haunt him.

We must be young to do great things.

The brilliant passes, like the dew at morn; The true endures, for ages yet unborn.

Let no one be like another, yet everyone like the highest. How is this done? Be each one perfect in himself.

With the growth of knowledge our ideas must from time to time be organized afresh. The change takes place usually in accordance with new maxims as they arise, but it always remains provisional.

Give me the benefit of your convictions, if you have any; but keep your doubts to yourself, for I have enough of my own.

Then to the depths! - I could as well say height: It's all the same.