人工智能的关键在于知识的表征。
The key to artificial intelligence is the representation of knowledge.
如果你的艺术不能挑战你自己，它也无法挑战他人。
The most important quality for a scientist is curiosity - the desire to understand how things work.
I try to live my life every day as if it's my last day.
In oil and gas, efficiency and responsibility must go hand in hand.