I am certain that I have been here as I am now a thousand times before, and I hope to return a thousand times... Man is a dialogue between nature and God. On other planets this dialogue will doubtless be of a higher and profounder character. What is lacking is Self-Knowledge. After that the rest will follow.

Where I cannot be moral, my power is gone.

Rash combat oft immortalizes man; if he should fall, he is renowned in song; but after-ages reckon not the ceaseless tears which the forsaken woman sheds. Poets tell us not of the many nights consumed in weeping, or of the dreary days wherein her anguished soul vainly yearns to call her loved one back.

A purpose you impart is no longer your own.

Just begin and the mind grows heated; continue, and the task will be completed!

To act is easy, to think is hard; to act according to our thought is troublesome.

I call architecture frozen music.