书籍是反映我们恐惧的镜子。
"Books are the mirrors that reflect our fears."
You get towards the end of life—no, not life itself, but of something else: the end of any likelihood of change in that life.
意识是宇宙的基本特征，就像空间和时间一样。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
"Only through suffering does one understand the depth of life."
我们不是从祖先那里继承地球，而是从子孙那里借来的。
Every day is a new opportunity.