You can never solve a problem on the level on which it was created. Insanity: doing the same thing over and over again and expecting different results. A life lived for others is a life worthwhile.
A theory is the more impressive the greater is the simplicity of its premises, the more different are the kinds of things it relates and the more extended the range of its applicability.
The United States is a melting pot. Like John F. Kennedy said, it's a nation of immigrants. But Donald Trump wants to build a fence that clearly makes the statement: "You and I are divided. We're different, and you're dangerous." That kind of thinking stops human, civilized evolution. It's dangerous to create that kind of tension.
I always rewrite each day up to the point where I stopped. When it is all finished, naturally you go over it. You get another chance to correct and rewrite when someone else types it, and you see it clean in type. The last chance is in the proofs. You're grateful for these different chances.
I have now come to a stage of realization in which I see that God is walking in every human form and manifesting Himself alike through the sage and the sinner, the virtuous and the vicious. Therefore when I meet different people I say to myself, “God in the form of the saint, God in the form of the sinner, God in the form of the righteous, God in the form of the unrighteous.