The most beautiful things in life are free.
生命中最美的事物是免费的。
The art of teaching consists in large part of the ability to awaken the natural curiosity of young minds and to satisfy it with the nourishment of knowledge.
未来属于那些明白“以少做多”不仅是一种选择,而且是一种必然的人。
意识到时间并不重要乃是智慧之门。