There was a time when the newspapers said that only twelve men understood the theory of relativity. I do not believe there ever was such a time. . . On the other hand, I think I can safely say that nobody understands quantum mechanics.
Happiness calls out responsive gladness in others. There is enough sadness in the world without yours. . . never doubt the excellence and permanence of what is yet to be. Join the great company of those who make the barren places of life fruitful with kindness.