No matter what happens in life, be good to people. Being good to people is a wonderful legacy to leave behind.
真正的发现之旅不在于寻找新的景观,而在于拥有新的眼光。 
作为一个有创造力的人,最危险的想法就是认为自己知道自己在做什么。
我们开采的每一吨矿石都承载着对未来的责任。
"The dead are always with us, and we are always with them."