If you take one rivet out of an airplane, it will be all right, it'll keep flying. You take another rivet out of the airplane and it still flies. So what the heck, let's take more rivets out of the airplane, and sooner or later, the airplane drops from the sky.
“Classifying the stars has helped materially in all studies of the structure of the universe.”
“A whole lot of us believers, of all different religions, are ready to turn back the tide of madness by walking together, in both the dark and the light - in other words, through life - registering voters as we go, and keeping the faith.”