It is the mind that makes us rich and happy, in what condition soever we are, and money signifies no more to it than it does to the gods.

Those whom fortune has never favored are more joyful than those whom she has deserted.

Time is the greatest remedy for anger.

The velocity with which time flies is infinite, as is most apparent to those who look back.

The Best sign of Wisdom is the consistency between the words and deeds.

Many discoveries are reserved for ages still to come . . . . Our universe is a sorry little affair unless it has in it something for every age to investigate.

The condition of all who are preoccupied is wretched, but most wretched is the condition of those who labor at preoccupations that are not even their own, who regulate their sleep by that of another, their walk by the pace of another, who are under orders in case of the freest things in the world-loving and hating. If these wish to know how short their life is, let them reflect how small a part of it is their own.