Courage is the most important of all the virtues because without courage, you can't practice any other virtue consistently.
The Lisp language is designed to be extensible, and it is easy to add new features to it.
屡战屡败,屡败屡战。纵然失败,更加出彩。
你必须有一个梦想,这样你才能在早上起床。
Rigor in proof is what separates mathematics from all other sciences.