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。
天文学的历史是一部视野不断扩展的历史。
The only limit to our realization of tomorrow is our doubts of today.
To talk about painting is not only difficult but perhaps pointless too.
The writer is either a practicing recluse or a delinquent, guilt-ridden one.
