有时我们为某些事感到悲伤，却不愿告诉别人。我们想保守这个秘密。或者有时我们感到悲伤，却真的不知道为什么悲伤，于是我们说我们不悲伤，但实际上我们是悲伤的。
当我接受自己本来的样子时，我就能改变。
The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.
If you don’t get a miracle, you can still be a miracle for someone else.
The future of fishing lies in harmony with marine ecosystems.
If a man will begin with certainties， he shall end in doubts； but if he will be content to begin with doubts， he shall end in certainties.
教师必须具有健康的体魄，农人的身手，科学的头脑，艺术的兴味，改革社会的精神。