There are two ways of forming an opinion. One is the scientific method; the other, the scholastic. To the scientific mind, experimental proof is all-important, and theory is merely a convenience in description, to be junked when it no longer fits. To the academic mind, authority is everything, and facts are junked when they do not fit theory.
Robert A. HeinleinThe moral difference between a soldier and a civilian is that the soldier accepts personal responsibility for the safety of the body politic of which he is a member. The civilian does not.
Robert A. HeinleinIn the absence of clearly-defined goals, we become strangely loyal to performing daily trivia until ultimately we become enslaved by it.
Robert A. HeinleinFrom somewhere, back in my youth, heard Prof say, 'Manuel, when faced with a problem you do not understand, do any part of it you do understand, then look at it again.' He had been teaching me something he himself did not understand very wellโsomething in mathโbut had taught me something far more important, a basic principle.
Robert A. Heinlein