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种一棵树最好的时间是20年前,第二好的时间是现在。
"To be human is to be unfinished, to be always becoming."
The energy transition won’t happen overnight, but we must start now.
The selfish gene theory is not a theory about selfishness in the everyday sense. It is a theory about the evolution of behavior.
爱是什么样子?它有双手来帮助他人。它有双脚匆匆赶往穷人和需要帮助的地方。它有眼睛看到痛苦和贫困。它有耳朵听到人们的叹息和悲伤。