The world is like a chessboard, whereon we may see a living knight, but we cannot see a living chess.
Sleep, those little slices of death — how I loathe them.
生活是一场冒险,或者它根本不值得一活。
做人的气度要高旷但不可疏漏狂妄;心思要缜密但不可琐碎;趣味要淡但不可枯燥;操守要严明但不可激烈。
The only way to change behavior is through manipulation of reinforcement contingencies.