He who says either that the time for philosophy has not yet come or that it has passed is like someone who says that the time for happiness has not yet come or that it has passed.

Do everything like someone is gazing at you.

We begin every act of choice and avoidance from pleasure, and it is to pleasure that we return using our experience of pleasure as the criterion of every good thing.

Is he able, but not willing? Then he is malevolent.

We must consider both the ultimate end and all clear sensory evidence, to which we refer our opinions; for otherwise everything will be full of uncertainty and confusion.

Death is nothing to us: for after our bodies have been dissolved by death they are without sensation, and that which lacks sensation is nothing to us. And therefore a right understanding of death makes mortality enjoyable, not because it adds to an infinite span of time, but because it takes away the craving for immortality.

There is no such thing as justice in the abstract; it is merely a compact between men.