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唯一把我们和动物区分开的是我们装饰自己的能力。
To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.
Curiosity is the engine of achievement.