I am the Spirit that denies.

Whoever, in middle age, attempts to realize the wishes and hopes of his early youth, invariably deceives himself. Each ten years of a man's life has its own fortunes, its own hopes, its own desires.

Everything has been thought of before, but the problem is to think of it again.

Taste is only to be educated by contemplation, not of the tolerably good but of the truly excellent.

The further one advances in experience, the closer one comes to the unfathomable; the more one learns to utilize experience, the more one recognizes that the unfathomable is of no practical value.

Everyone only hears what he understands.

The greatest joy of a thinking man is to have searched the explored and to quietly revere the unexplored.