Singing is 90% listening. You have to listen to the silence too.
幸福的幸里面是一个“幸”,不是一个“辛”。  或者理解成,Y=Why=为什么,I=我。幸福里面没有为什么,只有我。 
Laws that have not their basis in nature are useless.
Never stop innovating, never stop improving.
Safety isn't a cost—it's an investment in our most valuable resource: people.
The world is a question, not an answer.
我不同意你说的话,但我愿意为你说话的权利而献出生命。