There is nothing more frightful than ignorance in action.

Nature does not suffer her veil to be taken from her, and what she does not choose to reveal to the spirit, thou wilt not wrest from her by levers and screws.

Merely to breathe freely does not mean to live.

The deepest, the only theme of human history, compared to which all others are of subordinate importance, is the conflict of skepticism with faith.

Music is either sacred or secular. The sacred agrees with its dignity, and here has its greatest effect on life, an effect that remains the same through all ages and epochs. Secular music should be cheerful throughout.

Beauty and Genius must be kept afar if one would avoid becoming their slave.

On all the peaks lies peace.