The heart of the educator must be a living flame, a source of warmth and light.

Everything that happens once can never happen again. But everything that happens twice will surely happen a third time.

You are born different, and you are not destined to be drowned in the crowd.

"The past is not dead; it is not even past."

A writer's greatest tool is empathy, the ability to feel with others, to see the world through their eyes.

The poor don’t fail to save because they don’t want to—they can’t.

量子电动力学的发展表明，粒子的概念并不像曾经认为的那样简单。

The greatest discovery of any generation is that a human being can alter his life by altering his attitude.

人工智能是新的电力，而中国是数据的新沙特阿拉伯。

在数学中，提出问题的艺术必须比解决问题更有价值。

It doesn’t matter what your background is or where you come from, if you have dreams and goals, that’s all that matters.