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Psychology should be the science of mental life, both of its phenomena and of their conditions.
A man of genius makes no mistakes. His errors are volitional and are the portals of discovery.
每一本书都是一次旅程,每一页都是踏入未知的一步。
The farmer is the only man in our economy who buys everything at retail, sells everything at wholesale, and pays the freight both ways.
"Words have the power to heal and to destroy."