To understand the electron is to understand the foundation of our technological civilization.
"Escrever é um ato de coragem, de enfrentar os próprios demônios."
A moment is a small piece of time, but it can be a very important piece of time.
每个数学问题都有解决方案,但并非每个解决方案都显而易见。
 释义:身体没有受到饥饿和寒冷的痛苦,这是上天不曾亏待我;若是我的学问无所进步,我有何颜面去面对上天呢?