If we don't understand our tools, then there is a danger we will become the tool of our tools. We think of ourselves as Google's customers, but really we're its products.

And then there is Pythagoras. The legend is that the founder of theoretical mathematics was so outraged when one of his students, the haplessly gifted Hippasus, discovered irrational numbers that he sent the poor fellow out on a raft to drown, initiating a venerable tradition of professors mistreating their graduate students.

The contrast between the two, the sweetness and the badness, wrenches the heart of the lover as such sweetness on its own would not, and the lover shudders all the more at dread of the beloved's recklessness, for the sake of the sweetness that is there, and the shudder only makes more violent the shuddering that announces love.

Having your husband at a party is like adding anchovies to a salad. I love anchovies, but you can't taste anything else.

It is an essential feature of the just state that the wealthy be kept away from political power and that the politically powerful be kept away from wealth.

One doesn't diminish a philosopher's achievement, and doesn't undermine its soundness, by showing how the particular set of questions on which he focused, the orientation he brought to bear on his focus, has some causal connection to the circumstances of his life.

Those who share my heroes are, in the deepest sense, of my own kind.