"The beauty of quantum mechanics lies in its ability to reveal the hidden connections between seemingly unrelated phenomena."

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。

最好的书是那些挑战你的书。