采矿业有责任为后代留下积极的遗产。
创新是企业发展的永恒动力，只有不断突破自我，才能在竞争中立于不败之地。
You can only find out what you actually believe (rather than what you think you believe) by watching how you act. You simply don’t know what you believe, before that. You are too complex to understand yourself.
If we find the answer to why the universe exists, it would be the ultimate triumph of human reason – for then we would know the mind of God.
I have often been asked how my plays come about. I cannot say. Nor can I ever sum up my plays, except to say that this is what happened. That is what they said. That is what they did.
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.