The most advanced agricultural systems still depend on the most fundamental element: healthy soil.

知识最大的敌人不是无知，而是知识的幻觉。

A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.

值得爱，爱就会来。

当人们最确信自己并充满傲慢时，通常最容易犯错误，情感主导了他们的判断，没有经过恰当的审慎，而只有审慎才能使他们远离最荒谬的错误。

数学中的合作是必不可少的；思想的交流导致了任何单一思维都无法独自实现的突破。