We are rarely proud when we are alone.

The biggest reward for a thing well done is to have done it.

History is but the record of crimes and misfortunes. L'histoire n'est que le tableau des crimes et des malheurs

I know of no great men except those who have rendered great service to the human race.

Doctors put drugs of which they know little into bodies of which they know less for diseases of which they know nothing at all.

Many are destined to reason wrongly; others, not to reason at all; and others, to persecute those who do reason.

The interest I have to believe a thing is no proof that such a thing exists.