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I'm not afraid to take on a challenge, I'm not afraid to take a risk.
In times of adversity and change, we really discover who we are and what we're made of.
Natural experiments can provide valuable insights into economic questions.
唯一让生活成为可能的,是永久且难以忍受的不确定性;不知道接下来会发生什么。
The strength of a habit is proportional to the amount of reinforcement.
Live out of your imagination, not your history.