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The ladder of causation has three rungs: seeing, doing, and imagining.
我不是专横,我只是知道你应该做什么。
解释:只有去学习才能懂得世间的道理;如果耻于向人求教,许多东西就会永不知晓。
我不害怕跌倒,我害怕对跌倒的恐惧。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
Mathematics is the music of reason.