The fatal tendency of mankind to leave off thinking about a thing when it is no longer doubtful is the cause of half their errors.

The only power deserving the name is that of masses, and of governments while they make themselves the organ of the tendencies and instincts of masses.

One person with a belief is equal to ninety-nine who have only interests.

Whether moral and social phenomena are really exceptions to the general certainty and uniformity of the course of nature; and how far the methods, by which so many of the laws of the physical world have been numbered among truths irrevocably acquired and universally assented to, can be made instrumental to the gradual formation of a similar body of received doctrine in moral and political science.

Let not any one pacify his conscience by the delusion that he can do no harm if he takes no part, and forms no opinion. Bad men need nothing more to compass their ends, than that good men should look on and do nothing.

I have learned to seek my happiness by limiting my desires, rather than in attempting to satisfy them.

Co-operation, like other difficult things, can be learned only by practice: and to be capable of it in great things, a people must be gradually trained to it in small. Now the whole course of advancing civilization is a series of such training.