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The question isn't who is going to let me; it's who is going to stop me.

我看到了，我忘記了；我聽到了，我記住了；我做過了，我理解了。

回歸真正野生環境最困難的部分是放下現代生活的機械干擾。

Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

The writer must have the courage to say what others dare not say.

簡單化的藝術是復雜性的謎題。

I'm not afraid to be vulnerable. That's where true strength comes from.