Ye voices, that arose
After the Evening's close,
And whispered to my restless heart repose!

Go, breathe it in the ear
Of all who doubt and fear,
And say to them, 'Be of good cheer!'

Ye sounds, so low and calm,
That in the groves of balm
Seemed to me like an angel's psalm!

Go, mingle yet once more
With the perpetual roar
Of the pine forest dark and hoar!

Tongues of the dead, not lost
But speaking from deaths frost,
Like fiery tongues at Pentecost!

Glimmer, as funeral lamps,
Amid the chills and damps
Of the vast plain where Death encamps!

Henry Wadsworth Longfellow

http://www.poemhunter.com/poem/voices-of-the-night-l-envoi/