Anything too stupid to be said is sung.

Faith consists in believing what reason cannot.

Los Padres have everything and the people have nothing; 'tis the masterpiece of reason and justice. For my part, I know nothing so divine as Los Padres who make war on Kings of Spain and Portugal and in Europe act as their confessors; who here kill Spaniards and at Madrid send them to Heaven.

Let us leave every man at liberty to seek into him and to lose himself in his ideas.

People must have renounced, it seems to me, all natural intelligence to dare to advance that animals are but animated machines.... It appears to me, besides, that such people can never have observed with attention the character of animals, not to have distinguished among them the different voices of need, of suffering, of joy, of pain, of love, of anger, and of all their affections. It would be very strange that they should express so well what they could not feel.

Liberty of thought is the life of the soul.

I am the best-natured creature in the world, and yet I have already killed three, and of these three two were priests.