"Untutored courage is useless in the face of educated bullets."

"Wars may be fought with weapons, but they are won by men. It is the spirit of men who follow and of the man who leads that gains the victory."

"You need to overcome the tug of people against you as you reach for high goals."

"Do your damnedest in an ostentatious manner all the time."

"Spending only what the country can afford, rewarding savings, encouraging independence, supporting marriage: people know that these things are common sense."

"I am concerned for the security of our great Nation; not so much because of any threat from without, but because of the insidious forces working from within."

"I learnt more about politics during one South Dakota dust storm than in seven years at the university."

"There is nothing so subject to the inconstancy of fortune as war."