To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.

当每一分钱都要精打细算，犯错的空间就消失了。

我唱的每一首歌都是我内心的一部分。

我的科学研究给我带来了极大的满足；我深信，用不了多久，全世界都会承认我的工作成果。

我因展望未来而感受到的喜悦——成为注定从世界上消除最大灾难之一的工具，与享受独立、家庭和平与幸福的殷切希望交织在一起，常常占据了我的整个心灵。