A sound heart is the life of the flesh: but envy the rottenness of the bones” (Proverbs 14:30.
Wrath is cruel, and anger is outrageous; but who is able to stand before envy?” (Proverbs 27:4)
On one hand, Flos Carmelli has a post on his private envy. I can only add, "Me, too." My doubts are so overwhelming at times, I get choked up.
On the other hand, Joe Carter at the Evangelical Outpost is plagued by certainty.