The teacher who is indeed wise does not bid you to enter the house of his wisdom but rather leads you to the threshold of your own mind.
权力总是认为它有一个伟大的灵魂和超越弱者理解的广阔视野。
有一个快乐的境况出现,但就有一个不快乐的境况相对立;有一处优美的风景出现,但就立即有一处不优美的风景相抵销。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.