ZEAL, n.
A certain nervous disorder afflicting the young and inexperienced. A passion that goeth before a sprawl.
When Zeal sought Gratitude for his reward He went away exclaiming: "O my Lord!" "What do you want?" the Lord asked, bending down. "An ointment for my cracked and bleeding crown."
Jum Coople
--Ambrose Bierce - The Devil's Dictionary