The crime of inquiry is one which religion never has forgiven.

How wonderful is death! Death and his brother sleep.

It is vain philosophy that supposes more causes than are exactly adequate to explain the phenomena of things.

The pleasure that is in sorrow is sweeter than the pleasure of pleasure itself.

Jesus Christ opposed with earnest eloquence the panic fears and hateful superstitions which have enslaved mankind for ages.

A man, to be greatly good, must imagine intensely and comprehensively; he must put himself in the place of another and of many others; the pains and pleasures of his species must become his own.

True love in this differs from gold and clay, that to divide is not to take away. Love is like understanding, that grows bright, gazing on many truths.