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Train people well enough so they can leave, treat them well enough so they don't want to.

生命之所以有意義是因為它會停止。

I don't care about being liked. I care about being respected.

You are never too old to set another goal or to dream a new dream.

The quality of an organization's planning determines the quality of its execution.

有時候我們對一些事情感到難過，但我們不愿意告訴別人我們為此感到難過。