The whole book was rather crude & hasty but how far it really was less useful on that account I don't know.

The mood in which my book was conceived and executed, was in fact to some extent a passing one.

Metaphysics is the finding of bad reasons for what we believe upon instinct; but to find these reasons is no less an instinct

Another occupation might have been better.

An aphorism is true where it has fixed the impression of a genuine experience

The force of the blow depends on the resistance. It is sometimes better not to struggle against temptation. Either fly or yield at once.