Mike Tyson:

I've learned that when people congratulate me, that's when I focus on my flaws. That way I don't allow my narcissism to fly sky-high and allow me to think that I can act out without any consequences.

Tyler Cohen:

I think of humility as a virtue, a practical virtue that's making a comeback.

Screwtape:

No man who says I'm as good as you believes it. He would not say it if he did.

without a shadow of a doubt