A loaf of bread, the Walrus said, Is what we chiefly need: Pepper and vinegar besides Are very good indeed-- Now if you're ready, Oysters, dear, We can begin to feed!
Never carry things on from the past. The past is gone. Every moment be rid of it, solved or unsolved. Drop it - and don't carry parts because those parts won't allow you to solve new problems that live in this moment. Live in this moment as totally as possible, and suddenly you will come to realized, that if you live it totally, it is solved. There is no need to solve it. Life is not a problem to be solved, it's a mystery to be lived.
My interest in science was always essentially limited to the study of principles.... That I have published so little is due to this same circumstance, as the great need to grasp principles has caused me to spend most of my time on fruitless pursuits.