Charity, like nature, abhors a vacuum. Next to putting it in a bank, men like to squander their superfluous wealth on those to whom it is sure to be doing the least possible good.

Sincerity has to do with the connexion between our words and thoughts, and not between our beliefs and actions.

The origin of all science is the desire to know causes, and the origin of all false science is the desire to accept false causes rather than none; or, which is the same thing, in the unwillingness to acknowledge our own ignorance.

Life is the art of being well deceived.

Envy among other ingredients has a mixture of the love of justice in it. We are more angry at undeserved than at deserved good-fortune.

Death is the greatest evil, because it cuts off hope.

We are all of us, more or less, the slaves of opinion.