学习数学的唯一方法就是做数学。
"The only way to learn mathematics is to do mathematics."
小说的伟大之处在于它让一切变得有趣。
Every day is a chance to be better.
The history of all hitherto existing society is the history of class struggles.
选择最有用的生活方式，习惯会使其变得最令人愉悦。