'O, the blood more stirs
To rouse a lion than
To start a hare.' (Henry IV, I)
His St. Crispin Day's Speech (http://www.youtube.com/watch?v=P9fa3HFR02E) is the greatest motivational speech ever made. That's why Sir Winston Churchill adapted its approach and beauty to his powerful speeches during the British Empire's darkest days of 1940.