任何实验的价值和效用都取决于材料是否适合其使用的目的。
The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used.
The speech we hear is an indication of that which we don't hear.
不追求大道而走出迷途,即使有贤才也算不上真正的男子汉。
Leadership is about making tough decisions today that will benefit future generations.
"The past is a puzzle, and every piece matters."
我们不是从祖先那里继承了土地,而是从子孙那里借来的。