The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.
解释:受宠而不骄横,骄横而能安于下位,地位在下而不怨恨,怨恨而能克制的人,是非常少见。
Courage is the most important of all the virtues, because without courage you can't practice any other virtue consistently.
在化学中,就像在生活中一样,最深刻的真理往往是最简单的。
"We are all apprentices in a craft where no one ever becomes a master."