As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.
正如几何学最自然的起点是数学点，在观察和自然历史中采用同样的方法也最真实、简单且富有教益。
我们生产的每一盎司金属都承载着我们对环境的承诺。
Greatness comes from believing in yourself and your vision.
Leadership is about creating clarity where none exists.
The only thing that can make you powerful is your own soul.