Morality is not properly the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.

Deaths, births, and marriages, considering how much they are separately dependent on the freedom of the human will, should seem to be subject to no law according to which any calculation could be made beforehand of their amount; and yet the yearly registers of these events in great countries prove that they go on with as much conformity to the laws of nature as the oscillations of the weather.

In law a man is guilty when he violates the rights of others. In ethics he is guilty if he only thinks of doing so.

He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.

The two great dividers are religion and LANGUAGE

Standing armies shall in time be totally abolished.

Feminine traits are called weaknesses. People joke about them; fools ridicule them; but reasonable persons see very well that those traits are just the tools for the management of men, and for the use of men for female designs.