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Quote by Ronald Reagan

“I know Teddy Kennedy had fun at the Democratic convention when he said that I said that trees and vegetation caused 80 percent of the air pollution in this country. ... Well, now he was a little wrong about what I said. I didn't say 80 percent. I said 92 percent-93 percent, pardon me. And I didn't say air pollution, I said oxides of nitrogen. Growing and decaying vegetation in this land are responsible for 93 percent of the oxides of nitrogen. ... If we are totally successful and can eliminate all the manmade oxides of nitrogen, we'll still have 93 percent as much as we have in the air today.”

Author

Ronald Reagan

The 40th President of the United States, born on February 6, 1911, and passed away on June 5, 2004. Reagan's presidency was marked by economic prosperity and military strength, and he was known for his conservative political philosophy. more

“In the patient who succumbed, the cause of death was evidently something which was not found in the patient who recovered; this something we must determine, and then we can act on the phenomena or recognize and foresee them accurately. But not by statistics shall we succeed in this; never have statistics taught anything, and never can they teach anything about the nature of the phenomenon.”

Science Found Causes Teach Taught Succeed Patient Determine Statistics Phenomenon

Book:An Introduction to the Study of Experimental Medicine

Source: An Introduction to the Study of Experimental Medicine

“Proof that a given condition always precedes or accompanies a phenomenon does not warrant concluding with certainty that a given condition is the immediate cause of that phenomenon. It must still be established that when this condition is removed, the phenomen will no longer appear.”

Doe Stills Science Given Causes Conditions Proof Certainty Phenomenon Accompany Warrants Concluding

Book:An Introduction to the Study of Experimental Medicine

Source: An Introduction to the Study of Experimental Medicine

“The cause, then, philosophically speaking, is the sum total of the conditions, positive and negative, taken together; the whole of the contingencies of every description, which being realized, the consequent invariably follows.”

Whole Together Science Causes Taken Conditions Negative Description Being Real Contingency

Book:A System of Logic, Ratiocinative and Inductive: Being a Connected View of the Principles of Evidence and the Methods of Scientific Investigation

Source: A System of Logic, Ratiocinative and Inductive: Being a Connected View of the Principles of Evidence and the Methods of Scientific Investigation

“The same thing may have all the kinds of causes, e.g. the moving cause of a house is the art or the builder, the final cause is the function it fulfils, the matter is earth and stones, and the form is the definitory formula.”

Kind May Art Matter Earth Moving Form Science House Causes Stones Function Finals Formulas Builder

Book:Complete Works of Aristotle, Volume 2: The Revised Oxford Translation

Source: Complete Works of Aristotle, Volume 2: The Revised Oxford Translation

“The student of biology is often struck with the feeling that historians, when dealing with the rise and fall of nations, do not generally view the phenomena from a sufficiently high biological standpoint. To me, at least, they seem to attach too much importance to individual rulers and soldiers, and to particular wars, policies, religions, and customs; while at the same time they make little attempt to extract the fundamental causes of national success or failure.”