Invention is totally independent of the will.

Beware of the beginnings of vice. Do not delude yourself with the belief that it can be argued against in the presence of the exciting cause. Nothing but actual flight can save you.

Genius in poverty is never feared, because nature, though liberal in her gifts in one instance, is forgetful in another.

It is highly convenient to believe in the infinite mercy of God when you feel the need of mercy, but remember also his infinite justice.

Never suffer youth to be an excuse for inadequacy, nor age and fame to be an excuse for indolence.

The great difficulty is first to win a reputation; the next to keep it while you live; and the next to preserve it after you die, when affection and interest are over, and nothing but sterling excellence can preserve your name. Never suffer youth to be an excuse for inadequacy, nor age and fame to be an excuse for indolence.

Satan is to be punished eternally in the end, but for a while he triumphs.