Every challenge is an opportunity to learn and improve.
每一个挑战都是学习和改进的机会。
Your voice is your power. Don't let anyone silence you.
粒子的概念只是近似的，并且只有在动量较小的极限下才有意义。
Un libro es un diálogo infinito entre el autor y el lector.
"Humor is the great thing, the saving thing. The minute it crops up, all our irritations and resentments slip away and a sunny spirit takes their place."
我想跑一场好比赛，激励很多人。