It requires indeed some courage to undertake a labor of such far-reaching extent.
Every book is a journey, and every journey changes us.
死亡很可能是唯一的、最好的生命创造。它是生命的促变者。它送走老一代,给新一代开出道路。
海洋的健康直接关系到地球和我们子孙后代的健康。
The best way to learn mathematics is to do mathematics.
Success is built on consistency, not shortcuts.