色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

"A story is not a letter to be read, but a door to be opened."

The historian must be a poet and a philosopher.

The way to learn about the mind is to reverse-engineer it: to figure out what natural selection designed it to accomplish.

唯一存在的限制是你給自己設定的限制。

"The wise man learns more from his enemies than the fool from his friends."