He who has lost only those of whose faith and truth he is sure, has not yet reached the depth of human desolation.

For the first time he looked into his heart and wrote, and thus for the first time he touched the hearts of others; the cold style took fire, and beneath the clumsy periods welled tears.

It is by character and not by intellect the world is won.

If to be great means to be good, then Denis Diderot was a little man. But if to be great means to do great things in the teeth of great obstacles, then none can refuse him a place in the temple of the Immortals.

It is as the father of Encyclopédie|the Encyclopedia that Denis Diderot merits eternal recognition. Guilty as he was in almost every relation of life towards the individual, for mankind, in the teeth of danger and of infidelity, at the ill-paid sacrifice of the best years of his exuberant life, he produced that book which first levelled a free path to knowledge and enfranchised the soul of his generation.

A Platonic friendship is perhaps only possible when one or other of the Platonists is in love with a third person.

There is always more goodness in the world than there appears to be, because goodness is of its very nature modest and retiring.

All men now allow that if any human power could have stemmed the avalanche of the French Revolution, it would have been the reforms of Anne Robert Jacques Turgot, Baron de Laune|Turgot.