He knew too well for any earthly use The line where man leaves off and nature starts, And never overstepped it save in dreams.

He knew too well for any earthly use The line where man leaves off and nature starts, And never overstepped it save in dreams.

他对人与自然之间的界线了如指掌，除了在梦中，他从不逾越这条界线。

-- Robert Frost 罗伯特·弗罗斯特