科学的本质是提出正确的问题。
The essence of science is to ask the right questions.
翻译:所以善于打仗的人,调动敌人而不被敌人调动。
Sustainability isn't an option—it's the foundation of our future.
朋友都是有共通点的 (物以类聚)。
It’s on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.
写作是为无声者发声的一种方式。