The last function of reason is to recognize that there are an infinity of things which surpass it.

When we are in love we seem to ourselves quite different from what we were before.

Let no one say that I have said nothing new... the arrangement of the subject is new. When we play tennis, we both play with the same ball, but one of us places it better.

If you gain, you gain all; if you lose, you lose nothing. Wager, then, without hesitation, that He exists.

Not only do we know God by Jesus Christ alone, but we know ourselves only by Jesus Christ. We know life and death only through Jesus Christ. Apart from Jesus Christ, we do not know what is our life, nor our death, nor God, nor ourselves.

Vanity is illustrated in the cause and effect of love, as in the case of Cleopatra.

When we do not know the truth of a thing, it is good that there should exist a common error which determines the mind of man, as, for example, the moon, to which is attributed the change of seasons, the progress of diseases, etc. For the chief malady of man is a restless curiosity about things which he cannot understand; and it is not so bad for him to be in error as to be curious to no purpose.