"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 grand instructor, time.

People will not look forward to posterity, who never look backward to their ancestors.

Falsehood and delusion are allowed in no case whatever; but, as in the exercise of all the virtues, there is an economy of truth. It is a sort of temperance, by which a man speaks truth with measure, that he may speak it the longer.

Instead of casting away all our old prejudices, we cherish them to a very considerable degree, and, to take more shame to ourselves, we cherish them because they are prejudices; and the longer they have lasted and the more generally they have prevailed, the more we cherish them. We are afraid to put men to live and trade each on his own private stock of reason; because we suspect that this stock in each man is small, and that the individuals would do better to avail themselves of the general bank and capital of nations and of ages.

No sound ought to be heard in the church but the healing voice of Christian charity.

I despair of ever receiving the same degree of pleasure from the most exalted performances of genius which I felt in childhood from pieces which my present judgment regards as trifling and contemptible.