You have to spend some energy and effort to see the beauty of math.
The old believe everything, the middle aged suspect everything, the young know everything.
 人们害怕死亡,就像孩子害怕黑暗一样;而且,正如孩子对黑暗的自然恐惧会受到各种故事的加剧一样,人们对死亡的恐惧也是如此。
We all have our own little secrets, our own little shames.