Grumbling requires no talent, no self-denial, no brains, no character.
Most people don’t mind suffering in silence as long as everyone else knows about it.
Don’t grumble because you don’t have what you want—be thankful you don’t get what you deserve.
Jealousy is nothing more than poison envy.
The sunlight of love will kill the germs of jealousy and hate.
There are too many cranks and not enough starters in the world.
You can’t expect to be a lucky dog if you spend all your time growling.
Some people intend to be gratefully humble but instead turn out to be grumbly hateful.
If you feel “dog tired” at night, it is because you growled all day.