"The most fruitful research grows out of practical problems."

"I am extremely angry, and I have no problems with saying that. You know, there comes a time when it’s all right to be angry. That’s how I feel. And I’m sure that the people that you see, no matter wha…"

"Idealism is based on big ideas. And, as anybody who has ever been asked "What's the big idea?" knows, most big ideas are bad ones."

"The function of knowledge in the decision-making process is to determine which consequences follow upon which of the alternative strategies. It is the task of knowledge to select from the whole class …"

"Yes; I am indebted for that estate, and I am proud here to acknowledge it, to the bounty of my countrymen. That estate was the scene of my birth and of my infancy; it was the property of my ancestors;…"