children's progress is not depends on the age, but depends on the freedom to watch everything around him.
儿童的进步不是取决于年龄,而是取决于能够自由地观看他周围的一切。
想要行善的人在门外敲著门:爱人的,看见门是敞开的。
I hope to always be number one, but maintaining this level is quite a challenge.
The key to good design is understanding forces.