[Grateful] Cheerfulness is health; its opposite, [ungrateful] melancholy, is disease.
![[Grateful] Cheerfulness is health; its opposite, [ungrateful] melancholy, is disease.](http://cdn.quoteddaily.com/images/thomas-chandler-haliburton/grateful-cheerfulness-is-health-its-opposite-ungrateful-melancholy-is-disease.jpg)
[Grateful] Cheerfulness is health; its opposite, [ungrateful] melancholy, is disease.