The essence of mathematics is not just in solving problems but in asking the right questions.
数学的本质不仅在于解决问题，还在于提出正确的问题。
韧性和适应能力是基建发展的关键。
The only person you should try to be better than is the person you were yesterday.
学会怎么打称人结（又叫“撑人结”，不会越拉越小的结）。而且要摸黑练习、单手练习。在今后的日子里，你根本想不到它有多有用。
The book is a mirror: if an ape looks into it, an apostle is unlikely to look out.