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Letter "T" » theories
«In making theories, always keep a window open so that you can throw one out if necessary»
«Generally, the theories we believe we call facts, and the facts we disbelieve we call theories»
«Before I got married I had six theories about bringing up children; now I have six children and no theories.»
«It is often stated that of all the theories proposed in this century, the silliest is quantum theory. In fact, some say that the only thing that quantum theory has going for it is that it is unquestionably correct.»
«I am an enthusiast, but not a crank in the sense that I have some pet theories as to the proper construction of a flying machine. I wish to avail myself of all that is already known and then, if possible, add my mite to help on the future worker who will attain final success.»
Author: Wilbur Wright
, Flying machine
«It is a test of true theories not only to account for but to predict phenomena»
«It's not so much what you have to learn if you accept weird theories, it's what you have to unlearn»
«It is not my fault that certain so-called bohemian elements have found in my writings something to hang their peculiar beatnik theories on.»
«IN'ARDS, n. The stomach, heart, soul and other bowels. Many eminent investigators do not class the soul as an in'ard, but that acute observer and renowned authority, Dr. Gunsaulus, is persuaded that the mysterious organ known as the spleen is nothing less than our important part. To the contrary, Professor Garrett P. Servis holds that man's soul is that prolongation of his spinal marrow which forms the pith of his no tail; and for demonstration of his faith points confidently to the fact that no tailed animals have no souls. Concerning these two theories, it is best to suspend judgment by believing both.»
Author: Ambrose Bierce
«As a rule we disbelieve all facts and theories for which we have no use»