More quotes by Theodore Roosevelt

"The only man who never makes mistakes is the man who never does anything."
"Every immigrant who comes here should be required within five years to learn English or leave the country."
"No man is worth his salt who is not ready at all times to risk his well-being, to risk his body, to risk his life, in a great cause."
"When you're at the end of your rope, tie a knot and hold on"
"Believe you can and you're halfway there."