What is there that confers the noblest delight? What is that which swells a man's breast with pride above that which any other experience can bring to him? Discovery! To know that you are walking where none others have walked; that you are beholding what human eye has not seen before; that you are breathing a virgin atmosphere. To give birth to an idea, to discover a great thought -- an intellectual nugget, right under the dust of a field that many a brain-plough had gone over before. To find a new planet, to invent a new hinge, to find a way to make the lightning carry your messages. To be the first -- that is the idea.
Let us consider that we are all partially insane. It will explain us to each other; it will unriddle many riddles; it will make clear and simple many things which are involved in haunting and harassing difficulties and obscurities now.
Happiness ain't a thing in itself --it's only a contrast with something that ain't pleasant. And so, as soon as the novelty is over and the force of the contrast dulled, it ain't happiness any longer, and you have to get something fresh.