理解代数簇的算术就是理解其中隐藏的对称性。

The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land, is yet to come.

Sustainability isn't a trend, it's a necessity.

一句话，先是太胆小，明知错的事却不敢不做；后来也还是太胆小，明知对的事却不敢去做。

"The truth will set you free, but first it will piss you off."

地球上生命的未来取决于我们采取行动的能力。许多人正在尽其所能，但只有我们的社会、经济和政治发生变化，才能取得真正的成功。

唯一真正属于你的是你的热情。