Quote by Elmer Sperry
"Those who ignore history are condemned to reinvent it, usually worse."
"Those who ignore history are condemned to reinvent it, usually worse."
"The world rewards the stubborn. It doesn't reward the quitter."
"An inventor fails 99 times, and if he succeeds once, he's in. He treats his failures simply as practice shots."
"The real measure of success is not what you accomplish, but what you inspire others to accomplish."
"I have not failed. I've just found 10,000 ways that won't work."