If happiness truly consisted in physical ease and freedom from care, then the happiest individual would not be either a man or a woman; it would be, I think, an American cow. ↗
The belief that youth is the happiest time of life is founded on a fallacy. The happiest person is the person who thinks the most interesting thoughts, and we grow happier as we grow older. ↗
To live for a principle, for the triumph of some reform by which all mankind are to be lifted up to be wedded to an idea may be, after all, the holiest and happiest of marriages. ↗
People are at their happiest if they are true to themselves. I think that applies to their chosen profession, friends and relationships. It goes for your health too. If you are true to yourself, it seems to me everything should work out pretty well. ↗