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交换、交易和互换的倾向普遍存在于所有人之中,而在其他动物种族中找不到。
The propensity to truck, barter, and exchange one thing for another is common to all men, and to be found in no other race of animals.
The pursuit of science is not just about finding answers, but also about asking the right questions.
生命可以被目标拉动,正如它被驱动力推动一样。
Understanding a problem is half the solution.
I used to walk down the street like I was a star... I want people to walk around delusional about how great they can be.
When we no longer have the power to change a situation, we are challenged to change ourselves.