最美的人是那些经历过失败、痛苦、挣扎和失去，并找到从深渊中爬出来的人。
The most beautiful people are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of the depths.
物理学的美丽在于它揭示复杂宇宙的潜在简单性的能力。
一个好的数学问题的定义是它产生的数学，而不是问题本身。
Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.
The biggest risk is not taking any risk.
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
你无法改变你拒绝面对的事情。
我不认为你能真正改变你是谁，但你可以改变你生活的方式。
Quality is not a tool, it is a mindset.