Faust: Who holds the devil, let him hold him well, He hardly will be caught a second time.

Lay hold of life with both hands, whenever thou mayest seize it, it is interesting.

To think is easy. To act is difficult. To act as one thinks is the most difficult.

Every day look at a beautiful picture, read a beautiful poem, listen to some beautiful music, and if possible, say some reasonable thing.

Normally, the sciences distance themselves from life and the return to it via a detour.

Whoever aspiring, struggles on, for him there is salvation.

If man thinks about his physical or moral state he usually discovers that he is ill.