The walls of a garden should be high enough to keep the world out, but low enough to let the sky in.
花园的墙应该足够高以将世界挡在外面,但又足够低以让天空进来。
The key is to keep improving, to keep working hard.
同行很少聚在一起,即使是为了娱乐,谈话最终都会以反对公众的阴谋或提高价格的某种策划而结束。