"Say Not the Struggle Nought Availeth" - Arthur Hugh Clough

I love this poem. It's an eloquent way of saying "Don't give up." The second stanza is my favorite. To paraphrase, if you're in a battle with your comrades, your fears may be lying to you and deceiving you. It may actually be that your fellow soldiers, through the smoke of battle, are chasing the enemy into retreat, and if you would just help, they could control the field and win.
This poem is the perfect example of poetry - it's getting a point across, in a "pretty" way.

"Say Not the Struggle Nought Availeth." Narrated by anonymous speaker. Online audio clip. Classic Poetry Aloud. http://classicpoetryaloud.podomatic.com. Accessed 3 May 2012.