每一个挑战都是学习和成长的机会。
Mathematics is the most beautiful and most powerful creation of the human spirit.
翻译:指出世间万物皆有可能被人类利用,但工艺的精巧和细微之处仍需不断追求。
I have suffered and despaired and known death and I am glad that I am in this great world.
教育是富有时的饰品,穷乏时的避难所。