The most important thing is to be able to think, to be able to see, to be able to judge what you see.
The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.
机器人技术的进步，是为了让人类生活更美好。
Mathematics is a way of thinking, not just a collection of facts.
不要等待完美的时机——抓住时机并让它变得完美。