Science progresses by constantly questioning and refining our understanding.
你必须做你认为自己做不到的事。
我不知道我是否相信上帝,但我相信人们创造神的力量。
Our license to operate depends as much on social acceptance as it does on technical capability.
如果你不能飞,那就跑;如果你不能跑,那就走;如果你不能走,那就爬。但无论怎样,你必须继续前进。
I believe in the power of love and music to heal.