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The most important principle of positive psychology is that other people matter.
The future isn't written in the stars. There are no guarantees. So claim your adulthood. Be intentional. Get to work.
我们所做的可能很微小,但却产生巨大影响。
数学的本质不是使简单的事情复杂化,而是使复杂的事情简单化。