Faith does not quench desire, but inflames it.

A man should remind himself that an object of faith is not scientifically demonstrable, lest presuming to demonstrate what is of faith, he should produce inconclusive reasons and offer occasion for unbelievers to scoff at a faith based on such ground.

It is not theft, properly speaking, to take secretly and use another's property in a case of extreme need: because that which he takes for the support of his life becomes his own property by reason of that need

I would rather feel compassion than know the meaning of it. I would hope to act with compassion without thinking of personal gain.

God should not be called an individual substance, since the principle of individuation is matter.

Beware the man of a single book.

All the efforts of the human mind cannot exhaust the essence of a single fly.