Love without sacrifice is like theft.
It has been more profitable for us to bind together in the wrong direction than to be alone in the right one.
Half of the people lie with their lips; the other half with their tears.
I will repeat the following until I am hoarse: it is contagion that determines the fate of a theory in social science, not its validity.
Never ask a man if he is from Sparta: If he were, he would have let you know such an important fact – and if he were not, you could hurt his feelings.
The problem with experts is that they do not know what they do not know.
Living on our planet, today, requires a lot more imagination than we are made to have. We lack imagination and repress it in others.
A good book gets better at the second reading. A great book at the third. Any book not worth rereading isn’t worth reading.
Governments are wasting billions of dollars on attempting to predict events that are produced by interdependent systems and are therefore not statistically understandable at the individual level.
My principle activity is to tease those who take themselves and the quality of their knowledge too seriously.