The secret of change is to focus all of your energy not on fighting the old, but on building the new.
改变的秘诀在于集中所有精力，不是与过去斗争，而是建设未来。
You have to go through the storm to appreciate the sunshine.
Music is my soul; without it, I am nothing.
La belleza de las palabras radica en su capacidad de evocar emociones.
The history of mathematics is a history of human curiosity and ingenuity.