In the discovery of secret things and in the investigation of hidden causes, stronger reasons are obtained from sure experiments and demonstrated arguments than from probable conjectures and the opinions of philosophical speculators of the common sort.
“Sooner or later, I need to begin to do what any candidate does in a presidential race; I need to begin to win.”
“People of mediocre ability sometimes achieve outstanding success because they don't know when to quit. Most men succeed because they are determined to.”