The Republic by Plato Part 2 Page 59

not, they will destroy themselves without waiting for their enemies to destroy them.

True, he said.

What is to be done then? I said; how shall we find a gentle nature which has also a great spirit, for the one is the contradiction of the other?

True.

He will not be a good guardian who is wanting in either of these two qualities; and yet the combination of them appears to be impossible; and hence we must infer that to be a good guardian is impossible.

I am afraid that what you say is true, he replied.

Here feeling perplexed I began to think over what had preceded. — My friend, I said, no wonder that we are in a perplexity; for we have lost sight of the image which we had before us.