我不是为了取悦别人而创作艺术,我是为自己创作的。
一个人懒惰又奢侈,生活就会贫困;勤劳而节俭,生活就会富足。
From life, from books, from others, we learn.
盈利和可持续性必须齐头并进,否则两者都无法持久。
In mathematics, the art of proposing a question must be held of higher value than solving it.