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The method of psychology must be as exact as the methods of the natural sciences.
原文英文:The most merciful thing in the world, I think, is the inability of the human mind to correlate all its contents. We live on a placid island of ignorance in the midst of black seas of infinity, and it was not meant that we should voyage far.
The future belongs to those who can adapt and evolve.
在野外,你必须相信你的直觉。它们是你最好的向导。