"Quiet and far away" means: far-sighted and good at observation.
Extended data
The source is Zhuge Liang's Book of Commandments: a gentleman's trip is to cultivate one's morality by quietness and frugality. If you don't stay at home, you won't have a clear ambition. If you don't stay quiet, you will study. If you don't learn, you can't succeed. If you are reckless, you will not be able to control your sex. If you keep pace with the times, you will succeed.
This article was written by Zhuge Liang to his eight-year-old son, Zhuge Zhan, in the 12th year of Jian Xing in Shu Han Dynasty (234). Zhuge Liang dedicated his life to the country and died. He worked day and night for the national cause of Shu and Han and neglected to educate his son personally, so he wrote this letter to warn Zhuge Zhan.