The past is a foreign country; they do things differently there.

Success is doing what you want to do, when you want, where you want, with whom you want, as much as you want.

The beauty of mathematics lies in its ability to describe the world in a precise and elegant way.

我们肩上背负的责任重在，必须小心谨慎地了解可能可能会泯灭孩子精神的原因，并要融入孩子的世界。