A good style must have an air of novelty, at the same time concealing its art.

There is simple ignorance, which is the source of lighter offenses, and double ignorance, which is accompanied by a conceit of wisdom.

Anything whose presence or absence makes no discernible difference is no essential part of the whole.

But also philosophy is not about perceptible substances they, you see, are prone to destruction.

If purpose, then, is inherent in art, so is it in Nature also. The best illustration is the case of a man being his own physician, for Nature is like that - agent and patient at once.

The hardest victory is the victory over self.

Change in all things is sweet.