“Half the business of modern education is taken up in learning not to be ignorant; a process peculiarly unfavorable both to strength of mind and pregnancy of imagination...”

“You have to attack the source of your enemy’s strength. In America’s case, that’s not Osama or Saddam or anyone else. The enemy is ignorance. The only way to defeat it is to build relationships with those people, to draw them into the modern world with education and business. Otherwise the fight will go on forever.”

“Education is the process of turning cocksure ignorance into thoughtful uncertainty.”

“So you see that the process of education, taken in a large way, may be described as nothing but the process of acquiring ideas or conceptions, the best educated mind being the mind which has the largest stock of them, ready to meet the largest possible variety of the emergencies of life. The lack of education means only the failure to have acquired them, and the consequent liability to be 'floored' and 'rattled' in the vicissitudes of experience.”

“Pregnancy does not limit lung function, and both pregnancy and exercise improve the ability of body tissues to take up and utilize oxygen.”

“Education is learning the extent of one's own ignorance.”