Program testing can be used to show the presence of bugs, but never to show their absence!

We hold these truths to be self-evident: that all men are created equal.

The development of the vital forms under the influence of external conditions is a subject of the highest importance.

Commitment to excellence is a journey, not a destination.

当孩子被放在自然环境里，他会显示出自己的能力。

新能源电池是未来能源革命的核心，我们必须抓住这个历史机遇。

朗兰兹纲领证明了抽象思维在数学中的力量。