What a miserable world!--trouble if we love, and trouble if we do not love.

The whole earth, perpetually steeped in blood, is nothing but an immense altar on which every living thing must be sacrificed without end, without restraint, without respite until the consummation of the world, the extinction of evil, the death of death.

Nothing is necessary except God, and nothing is less necessary than pain.

A child is an angel dependent on man

We are all bound to the throne of the Supreme Being by a flexible chain which restrains without enslaving us. The most wonderful aspect of the universal scheme of things is the action of free beings under divine guidance.

The concept of number is the obvious distinction between the beast and man. Thanks to number, the cry becomes a song, noise acquires rhythm, the spring is transformed into a dance, force becomes dynamic, and outlines figures.

If there was no moral evil upon earth, there would be no physical evil.