The best ideas come from not knowing the answer.
最好的想法来自于不知道答案。
I don't believe in happy endings, I believe in necessary endings.
你不能希望在不改善个人的情况下建立一个更好的世界。为此，我们每个人都必须为自己的改进而努力，同时也要为全人类承担共同的责任，我们的特殊职责是帮助那些我们认为我们最有用的那些人。
Success comes when preparation meets opportunity.
The United States, in their expansive capacity, are capable of containing within their limits the whole population of the earth.
预测未来的最好方法就是发明它。
Innovation in science often comes from looking at old problems in new ways.
我们生产的每一盎司金属都承载着我们对环境的承诺。