可怜的是那些快乐取决于他人许可的人。
Poor is the man whose pleasures depend on the permission of another.
Silence is not the absence of sound, but the presence of something deeper.
夸夸其谈者通常要比身体力行者显得更加语有伦次,因为话语才是他们的专长。
可持续捕捞不是一种选择,而是唯一的前进方向。
To understand mathematics is to speak the language of the universe.