The sum of wisdom is that time is never lost that is devoted to work.

Knowledge is the knowing that we cannot know.

God will have life to be real; we will be damned, but it shall be theatrical.

What is civilization? I answer, the power of good women.

Five great enemies of peace inhabit us: avarice, ambition, envy, anger and pride.

There is no luck in literary reputation. They who make up the final verdict upon every book are not the partial and noisy readers of the hour when it appears; but a court as of angels, a public not to be bribed, not to be entreated, and not to be overawed, decides upon every man's title to fame.

It sometimes occurs that memory has a personality of its own and volunteers or refuses its information at its will, not at mine.