The truth is a knife, and it cuts both ways.
在阅读的寂静中,可以听到人类最响亮的声音。
今天我们播下的每一粒种子都是对明天粮食安全的投资。
The interest of the behaviorist in man's doings is more than the interest of the spectator—he wants to control man's reactions as physical scientists want to control and manipulate other natural phenomena.