The art of education must be to bring the child to the point where he can educate himself.
教育的艺术必须是引导孩子达到能够自我教育的程度。
能源危机是一个可以解决的问题——如果我们现在行动的话。
The language of mathematics is universal, transcending cultural and linguistic barriers.
I like to be in control of my own destiny.