Thankfulness is the beginning of gratitude. Gratitude is the completion of thankfulness. Thankfulness may consist merely of words. Gratitude is shown in acts.

I wonder whether I should gain anything by the attempt to assume a character which is not mine. My wavering manner, born of doubt and scruple, has at least the advantage of rendering all the different shades of my thought, and of being sincere. If it were to become terse, affirmative, resolute, would it not be a mere imitation?

A belief is not true simply because it is useful.

You desire to know the art of living, my friend? It is contained in one phrase: make use of suffering.

True poetry is truer than science, because it is synthetic, and seizes at once what the combination of all the sciences is able, at most, to attain as a final result.

Dreams are excursions into the limbo of things, a semi-deliverance from the human prison.

Happiness has no limits, because God has neither bottom nor bounds, and because happiness is nothing but the conquest of God through love.