I have lived with the prospect of an early death for the last 49 years. I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first.

When you light a candle, you also cast a shadow.

The most exciting aspect of chemistry is the ability to create new molecules that have never existed before.

You know, in the Middle Ages, in England, when you met a very poor person, that person would be described as an "unfortunate" -- literally, somebody who had not been blessed by fortune, an unfortunate.

The slowest craftsmanship often outlives the fastest fashion.

世界上最遥远的距离不是生与死，而是我就站在你面前，你却不知道我爱你