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数学的本质不是把简单的事情复杂化,而是把复杂的事情简单化。
The same things do not produce the same effects, though conjoined with the same subjects.
Motivation is the art of getting people to do what you want them to do because they want to do it.
改变是不可避免的,成长却是可以选择的。
当别人都不相信你时,你必须相信自己。
The market is always right, and the price is never too high to buy or too low to sell.