An education isn't how much you have committed to memory, or even how much you know. It's being able to differentiate between what you do know and what you don't. It's knowing where to go to find out what you need to know, and it's knowing how to use the information once you get it.

As quoted in Telephony, Vol. 150 (1956), p. 23; the first two sentences of this statement began to be attributed to Anatole France in the 1990s, but without any citations of sources.