To laugh often and much ... this is to have succeeded. Probably not from Emerson: here's the full quotation and the story.

Doing well is the result of doing good. That's what capitalism is all about.

Great geniuses have the shortest biographies. Their cousins can tell you nothing about them. They lived in their writings, and sotheir house and street life was trivial and commonplace. If you would know their tastes and complexions, the most admiring of their readers most resembles them.

When duty whispers low, Thou must, The youth replies, I can.

The secrets of life are not shown except to sympathy and likeness.

Our people are slow to learn the wisdom of sending character instead of talent to Congress. Again and again they have sent a man of great acuteness, a fine scholar, a fine forensic orator, and some master of the brawls has crunched him up in his hands like a bit of paper.

If you cannot be free be as free as you can.