All human actions have one or more of these seven causes: chance, nature, compulsion, habit, reason, passion, and desire.
所有人类行为都有以下七个原因中的一个或多个：机会、自然、强迫、习惯、理性、激情和欲望。
"The only way to learn a new programming language is by writing programs in it."
知识在心灵中以符号结构的形式表征。
I’m not afraid of making mistakes. I’m afraid of not trying.
The truth about a person is often hidden in the gaps between what they say and what they do.