Quotes from work
Stopping by Woods on a Snowy Evening

"Stopping by Woods on a Snowy Evening" is a poem written in 1922 by Robert Frost, and published in 1923 in his New Hampshire volume. Imagery, personification, and repetition are prominent in the work. In a letter to Louis Untermeyer, Frost called it "my best bid for remembrance".

“I have promises to keep and miles to go before I sleep.”
"Stopping by Woods on a Snowy Evening" (1923) http://www.poetryfoundation.org/poem/171621
Variant: And miles to go before I sleep.
Context: The woods are lovely, dark and deep.
But I have promises to keep,
And miles to go before I sleep,
And miles to go before I sleep.

“The woods are lovely, dark and deep.
But I have promises to keep”
General sources
Source: "Stopping by Woods on a Snowy Evening" (1923) http://www.poetryfoundation.org/poem/171621
Context: The woods are lovely, dark and deep.
But I have promises to keep,
And miles to go before I sleep,
And miles to go before I sleep.