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Your attitude determines your altitude.

I have to say to myself that some birds aren't very close. Their feathers are just too bright. When they fly away, you know it's a sin to lock them up, and you'll be inspired by them. Still, the place you live in is that much more drab and empty that they're gone. I think I really miss my friends.

理解復雜系統的行為需要一種新的思維方式，一種接受不確定性和不可預測性的思維方式。

To succeed， get other people to pay you； to become wealthy， help other people to succeed.

I am so clever that sometimes I don’t understand a single word of what I am saying.