I had ambition not only to go farther than any man had been before, but as far as it was possible for a man to go.
我的雄心不仅是走得比前人更远,还要到达人类可能到达的最远处。
我从不考虑过去。我总是期待下一个挑战。
过去总是紧张的,未来是完美的。
预测未来的最好方法就是创造未来。