It is not from the benevolence of the butcher， the brewer， or the baker that we expect our dinner， but from their regard to their own interest.

"The moment of birth is when we have the most to lose."

"We are all fools in love."

要理解一个句子的意义，我们必须考虑说话者的意图和话语的背景。

商业的成功来自于平衡短期收益与长期愿景。