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去建立關系并珍惜，比起厭惡與破壞本就困難許多。

The key to managing complexity is to focus on the interfaces between components, not their internal details.

解釋：節儉就會產生對生產不利的因素，侈靡則造成對財富的耗費。

The future belongs to those who can harness energy wisely.

Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.