The Republic by Plato Part 3 Page 1

Such then, I said, are our principles of theology — some tales are to be told, and others are not to be told to our disciples from their youth upwards, if we mean them to honour the gods and their parents, and to value friendship with one another.

Yes; and I think that our principles are right, he said.

But if they are to be courageous, must they not learn other lessons besides these, and lessons of such a kind as will take away the fear of death? Can any man be courageous who has the fear of death in him?

Certainly not, he said.

And can he be fearless of death, or will he choose death in battle rather than defeat and slavery, who believes the world below to be real and terrible?