If you are foolish enough to be contented, don't show it, but grumble with the rest.
Jerome K. JeromeHim, who incessantly laughs in the street, you may commonly hear grumbling in his closet.
Johann Kaspar LavaterGrumble weakens the spirit. Despair is counterproductive. Both are true toxicants in life.
My Ancestor Was an Ancient AstronautSome people are always grumbling because roses have thorns; I am thankful that thorns have roses.
Alphonse Karr