Put personal ambition away from you, and then you will find consolation in living or in dying, whatever may happen to you.

The unfinished is nothing.

The laws of animality govern almost the whole of history.

Time is but the measure of the difficulty of a conception. Pure thought has scarcely any need of time, since it perceives the two ends of an idea almost at the same moment.

Our duty is to be useful, not according to our desires but according to our powers.

Work while you have the light. You are responsible for the talent that has been entrusted to you.

We are never more discontented with others than when we are discontented with ourselves. The consciousness of wrong-doing makes us irritable, and our heart, in its cunning, quarrels with what is outside it, in order that it may deafen the clamor within.