To every action there is always opposed an equal reaction； or， the mutual actions of two bodies upon each other are always equal， and directed to contrary parts.

没有所谓的应用科学，只有科学的应用。

人似乎分为好人和坏人。好人睡得好一些，而坏人似乎能更好地享受醒着的时间。

The true measure of agricultural success is not just yield, but resilience.

世界是一个伟大的时钟，我们是其中的指针。