It's not a slam at you when people are rude, it's a slam at the people they've met before.
“I like to think that my arrogance, impetuosity, impatience, selfishness and greed are the qualities that make me the lovable chap I am.”
“You will never stub your toe standing still. The faster you go, the more chance there is of stubbing your toe, but the more chance you have of getting somewhere.”