Nothing is more conducive to peace of mind than not having any opinion at all.

Everyone is a genius at least once a year. The real geniuses simply have their bright ideas closer together.

The noble simplicity in the works of nature only too often originates in the noble shortsightedness of him who observes it.

It often takes more courage to change one's opinion than to stick to it.

He was then in his fifty-fourth year, when even in the case of poets reason and passion begin to discuss a peace treaty and usually conclude it not very long afterwards.

They do not think, therefore they are not.

A man has virtues enough if he deserves pardon for his faults on account of them.