Employ your time in improving yourself by other men's writings, so that you shall gain easily what others have labored hard for.

There is only one good, knowledge, and one evil, ignorance.

Really, Ischomachus, I am disposed to ask: "Does teaching consist in putting questions?" Indeed, the secret of your system has just this instant dawned upon me. I seem to see the principle in which you put your questions. You lead me through the field of my own knowledge, and then by pointing out analogies to what I know, persuade me that I really know some things which hitherto, as I believed, I had no knowledge of.