It's not whether you get knocked down, it's whether you get up. Vince Lombardi
The real glory is being knocked to your knees and then coming back. That's real glory. That's the essence of it. Vince Lombardi
Standing in the middle of the road is very dangerous; you get knocked down by the traffic from both sides. Margaret Thatcher
If you stand up and be counted, from time to time you may get yourself knocked down. But remember this: A man flattened by an opponent can get up again. A man flattened by conformity stays down for good. Thomas J. Watson
I can hear you, the rest of the world can hear you and the people who knocked these buildings down will hear all of us soon. George W. Bush