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People can't do something by themselves; they wanna tell you you can not do it.
历史首先是那个遗产的创造和记录;进步是其日益增长的丰富性、保存、传递和使用。
Psychology is the science of mental processes.
To understand the present, we must first confront the past.
Mental processes are tools for living, and their worth is in their use.