数学的历史是人类好奇心和创造力的历史。

The liberal democratic system may not be perfect, but it is the best system we have.

He allowed himself to be swayed by his conviction that human beings are not born once and for all on the day their mothers give birth to them, but that life obliges them over and over again to give birth to themselves.

译文：在绘画中，很容易画出龙和虎的外形，但画出它们的骨骼和精神很难，认识这个人，熟悉他的外貌，却不知道他的内心世界。赏析：物欲横流，世事纷扰，人心险恶。我们要提防身边那些心口不一，两面三刀之人。

The body is a site of memory.

There are no permanent leaders in the semiconductor industry, only constant learners.

写作是探索未知的一种方式。