The best moments in our lives are not the passive, receptive, relaxing times… The best moments usually occur if a person’s body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.
翻译：指出深入研究文章可以分析器物的性能，而深入了解自然规律则可以审视器物的用途。
I don’t compete with anybody but myself. When you compete with other people, you limit yourself.
La palabra es el arma más poderosa que tiene el ser humano.
