数学的力量在于它简化复杂事物的能力。

解析：知行工夫本不可离。

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.

The best way to predict the future is to create it.

怪物是真的，鬼魂也是。它们住在我们心里，有时，它们会赢。

健康才是真正的财富，而不是金银。

Quality means doing it right when no one is looking.