Progress has not followed a straight ascending line, but a spiral with rhythms of progress and retrogression, of evolution and dissolution.

Art is based on a strong sentiment of religion,--on a profound and mighty earnestness; hence it is so prone to co-operate with religion.

What matters in art is not thinking but making.

There is nothing in which people more betray their character than in what they laugh at.

Sweet moonlight, shining full and clear, Why do you light my torture here? How often have you seen me toil, Burning last drops of midnight oil. On books and papers as I read, My friend, your mournful light you shed. If only I could flee this den And walk the mountain-tops again, Through moonlit meadows make my way, In mountain caves with spirits play - Released from learning's musty cell, Your healing dew would make me well!

A man who cannot command himself will always be a slave.

Men's prejudices rest upon their character for the time being and cannot be overcome, as being part and parcel of themselves. Neither evidence nor common sense nor reason has the slightest influence upon them.