It is so hard that one cannot really have confidence in doctors and yet cannot do without them.

The most difficult thing is what is thought to be the simplest; to really see the things which are before your eyes.

All professional men are handicapped by not being allowed to ignore things which are useless.

A creation of importance can only be produced when its author isolates himself, it is a child of solitude.

The day is of infinite length for him who knows how to appreciate and use it.

Since you know me and my destiny only too well, you probably also know what attracts me to all unfortunate people.

He who is resolute conquers grief.