The good polis is made by the good person, his moral character intact, and the good polis, in turn, helps turn out good persons, their moral character intact.

The sum and substance of education is the right training that effectually leads the soul of the child at play on to the love of the calling in its adult life.

In fact, it’s the very impersonality of impersonal knowledge that renders such knowledge the most ethically potent of all.

Philosophy is this amazing technique we've devised for getting reality to answer us back when we're getting it wrong. Science itself can't make those arguments. You actually have to rely on philosophy, on philosophy of science.

How can those who possess all knowledge, which must include knowledge of life that is worth living, be interested in using knowledge only for the insignificant aim of making money?

Paraphrasing Plato's Republic: "Only people who have allowed themselves to be reformed by reality have it in themselves to reform their polis for the better."

In order to refute a conclusion, you have to put forth the best possible argument for it.