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

What goes on around you... compares little with what goes on inside you.

Every act of the man inscribes itself in the memories of his fellows, and in his own manners and face. The air is full of sounds;the sky, of tokens; the ground is all memoranda and signatures; and every object covered over with hints, which speak to the intelligent.

Great works of art have no more affecting lesson for us than this. They teach us to abide by our own spontaneous expression with good humored inflexibility whether the whole cry of voices is on the other side.

Nations have lost their old omnipotence; the patriotic tiedoes not hold. Nations are getting obsolete, we go and live where we will.

The eloquent man is he who is no beautiful speaker, but who is inwardly and desperately drunk with a certain belief.

The mark of a man of the world is absence of pretension.