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The only constant in life is change.

"Books can be dangerous. The best ones should be labeled 'This could change your life.'"

我們所知道的很少，而我們不知道的卻是無限的。

The only way to get the best of an argument is to avoid it.

Success is not about the money you make, it's about the difference you make in people's lives.

"In the darkest times, hope is something you give yourself. That is the meaning of inner strength."