"War," says Machiavelli, "ought to be the only study of a prince;" and by a prince he means every sort of state, however constituted. "He ought," says this great political doctor, "to consider peace only as a breathing-time, which gives him leisure to contrive, and furnishes ability to execute military plans." A meditation on the conduct of political societies made old Hobbes imagine that war was the state of nature.

The science of constructing a commonwealth or renovating it, or reforming it, is...not to be taught a priori...That which in the first instance is prejudicial may be excellent in its remoter operation, and its excellence may rise even from the ill effects it produces in the beginning. The reverse also happens; and very plausible schemes, with very pleasing commencements, have often shameful and lamentable conclusions.

The first and simplest emotion which we discover in the human mind, is curiosity.

Corrupt influence is itself the perennial spring of all prodigality, and of all disorder; it loads us more than millions of debt; takes away vigor from our arms, wisdom from our councils, and every shadow of authority and credit from the most venerable parts of our constitution.

They defend their errors as if they were defending their inheritance.

To read without reflecting is like eating without digesting.

The true way to mourn the dead is to take care of the living who belong to them.