"A good idea will keep you awake during the morning, but a great idea will keep you awake during the night."

“What is the essence of America? The essence of America is finding and maintaining that perfect, delicate balance between freedom "to" and freedom "from.”

“Parade Archive back issues of Parade, including Ask Marilyn”

“If your head tells you one thing and your heart tells you another, before you do anything, you should first decide whether you have a better head or a better heart.”

“The length of your education is less important than its breadth, and the length of your life is less important than its depth.”

“Think of a hypothesis as a card. A theory is a house made of hypotheses.”

“The original answer defines certain conditions, Anything else is a different question.”