The ultimate measure of a man is not where he stands in moments of comfort and convenience， but where he stands at times of challenge and controversy.
一个人的最终衡量标准不是他在舒适和便利时站在哪里，而是他在挑战和争议时站在哪里。
时间是一条既向前流又向后流的河流。
Innovation is not just about technology; it's about changing mindsets and embracing new ways of thinking.
我不是一个容易被归类的人，我认为这是一件好事。
The search for reciprocity laws is a fundamental theme in the history of mathematics.