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The probability of a response is determined by its reinforcement history.
The only thing that can make you a hero is your courage.
君子不救人,不是不愿意,而是能力不足。
There is not more money to be made from law, but less time to enjoy it.
真正的自由不是你想做什么就做什么,而是你不想做什么就不做什么。