The difference between more or less intelligent men is like the difference between criminals condemned to life imprisonment in smaller or larger cells. The intelligent man who is proud of his intelligence is like a condemned man who is proud of his large cell.

Charity. To love human beings in so far as they are nothing. That is to love them as God does.

We are only geometricians of matter; the Greeks were, first of all, geometricians in the apprenticeship to virtue.

Punishment is a vital need of the human soul.

Do not allow yourself to be imprisoned by any affection. Keep your solitude. The day, if it ever comes, when you are given true affection, there will be no opposition between interior solitude and friendship, quite the reverse. It is even by this infallible sigh that you will recognize it.

Fortunately the sky is beautiful everywhere.

If we go down into ourselves, we find that we possess exactly what we desire.