It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness, it was the epoch of belief, it was the epoch of incredulity, it was the season of Light, it was the season of Darkness, it was the spring of hope, it was the winter of despair, we had everything before us, we had nothing before us, we were all going direct to Heaven, we were all doing direct the other way.

自守形式的研究是数学思想统一性的反映。

最好的领导者是那些多听少说的人，尤其是在农业这样充满活力的领域。

The world is a mirror, and it reflects our ugliness.

Love is not a possession, it's an offering.