Love well, be loved and do something of value.

One swallow does not make a spring, nor does one fine day.

Those who have the command of the arms in a country are masters of the state, and have it in their power to make what revolutions they please. [Thus,] there is no end to observations on the difference between the measures likely to be pursued by a minister backed by a standing army, and those of a court awed by the fear of an armed people.

Man perfected by society is the best of all animals; he is the most terrible of all when he lives without law, and without justice.

Thus every action must be due to one or other of seven causes: chance, nature, compulsion, habit, reasoning, anger, or appetite.

Nature makes nothing incomplete, and nothing in vain.

In part, art completes what nature cannot elaborate; and in part it imitates nature.