There is no greater picture than that of 10,000 smiling children. No brighter music than their clear-ringing laughter. That I, with my small amusements, have created such precious art is my life's proudest achievement.
Every crowd has a silver lining.
Whatever you do, do it ardently.
Science is the pursuit of pure truth, and the systematizing of it.
Without publicity a terrible thing happens: nothing.
A penny here, and a dollar there, placed at interest, goes on accumulating, and in this way the desired result is attained.