I refused to let anyone silence me.
Science is a wonderful thing if one does not have to earn one's living at it.
负责任的退役与负责任的发展同样重要。
问题的解决不是机械地应用过去的经验,而是通过重构情境来实现。
No man is useless in this world who lightens the burden of someone else.
我们开采的最宝贵资源不是矿物,而是人的潜力。
未说出的往往比说出的更有力量。