It is not the straining for great things that is most effective; it is the doing the little things, the common duties, a little better and better.
A great idea is usually original to more than one discoverer. Great ideas come when the world needs them. Great ideas surround the world's ignorance and press for admission.
Happiness must be cultivated. It is like character. It is not a thing to be safely let alone for a moment, or it will run to weeds.