The only thing that interferes with my learning is my education.
The only way to learn mathematics is to do mathematics.
The only limits that exist are the ones you place on yourself.
我一直希望我的电脑能像我的电话一样易于使用;我的愿望实现了,因为我已经无法弄清楚如何使用我的电话了。
Never underestimate the intelligence of players.
Love is not a profession, it's a condition.