The hardest part of returning to a truly wild environment is leaving behind the mechanical distractions of modern life.

我饭吃但是如果不吃，对于饥饿是没有益处的。见到了贤能的人们而不去任用，这样对于衰弱的国家，也是没有益处的。

Technological breakthroughs are not achieved overnight, they require long-term investment and patient accumulation.

自由并不意味着摆脱某物，而是能够自由地去做某事。