What can give us more sure knowledge than our senses? How else can we distinguish between the true and the false?

Certainly it was no design of the atoms to place themselves in a particular order, nor did they decide what motions each should have. But atoms were struck with blows in many ways and carried along by their own weight from infinite times up to the present.

Forbear to spew out reason from your mind, but rather ponder everything with keen judgment; and if it seems true, own yourself vanquished, but, if it is false, gird up your loins to fight.

We notice that the mind grows with the body, and with it decays.

Rest, brother, rest. Have you done ill or well Rest, rest, There is no God, no gods who dwell Crowned with avenging righteousness on high Nor frowning ministers of their hate in hell.

What came from the earth returns back to the earth, and the spirit that was sent from heaven, again carried back, is received into the temple of heaven.

All life is a struggle in the dark.