For there is assuredly nothing dearer to a man than wisdom, and though age takes away all else, it undoubtedly brings us that.

There is no grief which time does not lessen and soften.

Knowledge which is divorced from justice, may be called cunning rather than wisdom.

History is truely the witness of times past, the light of truth, the life of memory, the teacher of life, the messenger of antiquity.

That which is not forbidden, is not on that account permitted.

Every stage of human life, except the last, is marked out by certain and defined limits; old age alone has no precise and determinate boundary.

Thus in the beginning the world was so made that certain signs come before certain events.