"Parental investment is the key to understanding the origins of sex differences."
The only person who is educated is the one who has learned how to learn and change.
Mental processes are tools for living, and their worth is in their use.
"History is not the past but a map of the past, drawn from a particular point of view, to be useful to the modern traveller."
我读一本无聊的书睡着了,梦见我继续读着,所以我因纯粹的厌倦而醒来。