数学的力量在于它的普遍性和超越文化界限的能力。
The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
ENIAC是现代计算机发展史上的第一个巨大飞跃。
我写作既是为了理解，也是为了被理解。