智者善思己，愚者堕沉沦。
The wise reflect on their thoughts; the foolish indulge in their indulgences.
"Every civilization is built on the bones of another."
"The magic of a book is that it can take you anywhere, even if you're just sitting in your room."
学习原理在不同物种间是通用的。
Not what we have, but what we enjoy, constitutes our abundance.
金钱是用数字讲述的人生故事。