The bond between humans and livestock is one of the oldest and most vital partnerships in history.

Limiting beliefs are the prisons of the mind, and learning is the key to freedom.

简单不是缺乏复杂性，而是对复杂性的解决。

War doesn't negate decency. It demands it, even more than in times of peace.

最能干的人之所以能干，在于不做不应该做的事，最明智的人之所以明智，在于不去考虑不该考虑的问题。人贵在有自知之明，能明白自己的身份，知道该做什么不该做什么，什么事该考虑、什么事不用自己操心，该放手的时候就要放手。分内之事，尽力去做。