人须在事上磨，方立得住；方能静亦定，动亦定。
译文：人必须在事情上磨炼，才能立得住;才能做到安静时也安定，行动时也安定。
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.
What is love except another name for the use of positive reinforcement? Or vice versa.
试错的成本是最低的。
"The power of a story is in its ability to inspire change."