It is not enough to acquire wisdom, it is necessary to employ it.
He does not seem to me to be a free man who does not sometimes do nothing.
Let a man practice the profession which he best knows.
Little by little old age renders the body less powerful.
To know the laws is not to memorize their letter but to grasp their full force and meaning.
It is certain that memory contains not only philosophy, but all the arts and all that appertain to the use of life.