给一个人火，他能温暖一天；但把他点燃，他能温暖余生。
The first fruit of this imagination—and the first lesson of the social science that embodies it—is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.
科学的大悲剧——一个丑陋的事实扼杀了一个美丽的假说。
保持专注，专注于你的目标。
痛苦并不总是身体上的；有时最深的伤口是我们看不见的。