数学中最重要的技能是清晰思考的能力。
I don't care if you're black, white, straight, bisexual, gay, lesbian, short, tall, fat, skinny, rich or poor. If you're nice to me, I'll be nice to you. Simple as that.
绘画很像下棋:你的思维总是跑在你最终要走的棋前面。
Curiosity and perseverance can change the world.
The books we read in childhood are like a secret garden, a place where we can escape and dream.