离散数学和连续数学之间的相互作用是一些最有趣的问题所在。
The interplay between discrete and continuous mathematics is where some of the most interesting problems lie.
尝试过，失败过。没关系，再尝试。再失败，失败也是一种进步！
"Cada libro es un acto de fe en el poder transformador de las palabras."
The measure of our success isn't in quarterly profits, but in the health of fish stocks decades from now.
成功不在于成为最好的，而在于始终如一地提供优质产品。
The best victories are the ones that seem impossible.
I'm not perfect, but I'm trying.
There are no solutions. There are only trade-offs.