In the evolution of knowledge-mistaken and unnecessary beliefs are forced out and supplanted by truer and more necessary knowledge. So too in the evolution of feelings, which takes place by means of art. Lower feelings-less kind and less needed for the good of humanity-are forced out and replaced by kinder feelings which better serve us individually and collectively. This is the purpose of art.

The difference between real material poison and intellectual poison is that most material poison is disgusting to the taste, but intellectual poison, which takes the form of cheap newspapers or bad books, can unfortunately sometimes be attractive.

The feeling of patriotism - It is an immoral feeling because, instead of confessing himself a son of God . . . or even a free man guided by his own reason, each man under the influence of patriotism confesses himself the son of his fatherland and the slave of his government, and commits actions contrary to his reason and conscience.

Music is the shorthand of emotion. Emotions, which let themselves be described in words with such difficulty, are directly conveyed to man in music, and in that is its power and significance.

The question was a fashionable one, whether a definite line exists between psychological and physiological phenomena in human activity; and if so, where it lies?

What time can be more beautiful when the one in which the finest virtues, innocent cheerfulness and indefinable longing for love constitute the sole motives of your life.

Whenever my life came to a halt, the questions would arise: Why? And what next?