The progressive development of man is vitally depe on iion. It is the most important product of his creative brain. Its ultimate purpose is the plete mastery of mind over the material world, the harnessing of the forces of nature to human needs. This is the difficult task of the ior who is often misuood and unrewarded. But he finds ample pensation in the pleasing exercises of his powers and in the knowledge of being one of that exceptionally privileged class without whom the race would have long ago perished iter struggle against pitiless elements.
Speaking for myself, I have already had more than my full measure of this exquisite enjoyment, so much that for many years my life was little short of tinuous rapture. I am credited with being one of the hardest workers and perhaps I am, if thought is the equivalent of labor, for I have devoted to it almost all of my waking hours. But if work is interpreted to be a definite performan a specified time acc tid ……（内容加载失败！）
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