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The challenge in computer science is not just to solve problems, but to find the right problems to solve.
翻译:日月顺行天道而能永久照耀天下,四季往复变化而能永久生成万物,圣人永久保持
The relation between what we see and what we know is never settled.
A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do.