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局部和全局现象之间的相互作用是数论中反复出现的主题。
"In mathematics, we often seek elegance and simplicity, but in computer science, we must also consider practicality and efficiency."
我总是感到,生活就象萌发于地下根茎的植株。生活的真正生命是不可见的,它深藏于地下根茎中,而显露出地面的可见一斑部分只能生存一个夏季。我们所见到的是将会消逝的花簇,而根茎长驻。
我们还没有学会思考,但我们正在学习。
The Worldly Hope men set their Hearts upon Turns Ashes—or it prospers; and anon, Like Snow upon the Desert's dusty Face, Lighting a little hour or two—is gone.