自我不是现成的东西，而是通过行动选择不断形成的东西。
The self is not something ready-made, but something in continuous formation through choice of action.
His back’s as crooked as a politician.
"Men and women differ in their desires for short-term mating because the reproductive benefits and costs differed for our ancestors."
挑战是伪装的机会，用勇气和创造力去迎接它们。
可持续性不是一种选择；它是长期成功的必要条件。
