When I was research head of General Motors and wanted a problem solved, I'd place a table outside the meeting room with a sign: "Leave slide rules here." If I didn't do that, I'd find someone reaching for his slide rule. Then he'd be on his feet saying, "Boss, you can't do it."
Charles KetteringThe person who doesn't know something can't be done will often find a way to go ahead and do it.
Charles KetteringNothing ever built arose to touch the skies unless some man dreamed that it should, some man believed that it could, and some man willed that it must.
Charles Kettering