"I do not believe there is a problem in this country or the world today which could not be settled if approached through the teaching of the Sermon on the Mount"

"The best preparation for good work tomorrow is to do good work today"

"A teacher who is not dogmatic is simply a teacher who is not teaching"

"Good teaching is one-fourth preparation and three-fourths pure theatre"

"Learning and teaching should not stand on opposite banks and just watch the river flow by; instead, they should embark together on a journey down the water. Through an active, reciprocal exchange, teaching can strengthen learning how to learn"

"In thinking about nanotechnology today, what's most important is understanding where it leads, what nanotechnology will look like after we reach the assembler breakthrough"

"Today I bent the truth to be kind, and I have no regret, for I am far surer of what is kind than I am of what is true"

"I like to use the hard times in the past to motivate me today"

"The first step in the acquisition of wisdom is silence, the second listening, the third memory, the fourth practice, the fifth teaching others"

"The science of today is the technology of tomorrow"

"The politician's promises of yesterday are the taxes of today"