Even the most inspired verse, which boasts not without a relative justification to be immortal, becomes in the course of ages a scarcely legible hieroglyphic; the language it was written in dies, a learned education and an imaginative effort are requisite to catch even a vestige of its original force. Nothing is so irrevocable as mind.

My remembrance of the past is a novel I am constantly recomposing; and it would not be a historical novel, but sheer fiction, if the material events which mark and ballast my career had not their public dates and characters scientifically discoverable.

Reason and happiness are like other flowers; they wither when plucked.

Thought is essentially practical in the sense that but for thought no motion would be an action, no change a progress.

It is a great bond to dislike the same things.

...science is nothing but developed perception, interpreted intent, common-sense rounded out and minutely articulated. It is therefore as much an instinctive product, as much a stepping forth of human courage in the dark, as is any inevitable dream or impulsive action.

In Greece wise men speak and fools decide.