Before I built a wall I'd ask to know What I was walling in or walling out, And to whom I was like to give offence.

Before I built a wall I'd ask to know What I was walling in or walling out, And to whom I was like to give offence.

在我筑墙之前，我想知道我是在筑墙还是在筑墙，以及我想冒犯谁。

-- Robert Frost 罗伯特·弗罗斯特