心灵不是一个结构而是一个过程。

选自汉·桓宽《盐铁论·申韩》。曲木，弯曲的木头。恶，厌恶、怕。绳，木匠用以裁曲取直的墨绳。奸邪，奸邪之人。正法，公正无私的法律。这句话以曲木畏直绳作类比，说明公正无私之法对奸邪之人的威慑作用。

Any woman who understands the problems of running a home will be nearer to understanding the problems of running a country.

Every song has its own journey.

The only true voyage of discovery consists not in seeking new landscapes, but in having new eyes.

I think that the role of the mathematician is to discover these patterns and to explain them.