I am trying to find a Longfellow poem that has the following phrase in it.

while their companions slept they were toiling upward in the night.

I could be wrong about the author.....someone said it was part of "The Builders" but I found that poem and the phrase is not in it. I am hitting a wall with this one.

[www.bartleby.com]

Note to self: read other forums before responding, in case the question has been posted multiple times by overzealous seekers.

Thank you so much.....you made my day and my boss almost thinks I'm smart!