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.
和我一起变老吧!最好的还在后头。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
心灵的力量是巨大的,利用它可以带来我们生活中的深刻变化。
故事的力量在于它能够将我们与普遍的人类经验联系起来。