Principles Quotes

3711 quotes by 2095 authors

Pledge allegiance to your principles, your family, your faith, but don't be foolish enough to pledge allegiance to a gang of thieves. — Llewellyn Rockwell
The ultimate success of this government and the stability of its institutions, its progress in all that can make a nation honored, depend upon its… — Jon Lord
Chymia, or Alchemy and Spagyrism, is the art of resolving compound bodies into their principles and of combining these again. — Georg Ernst Stahl
If everything in chemistry is explained in a satisfactory manner without the help of phlogiston, it is by that reason alone infinitely probable that the… — Antoine Lavoisier
We may lay it down as an incontestible axiom, that, in all the operations of art and nature, nothing is created; an equal quantity of… — Antoine Lavoisier
Geneticists believe that anthropologists have decided what a race is. Ethnologists assume that their classifications embody principles which genetic science has proved correct. Politicians believe… — Lancelot Hogben
[The] first postulate of the Principle of Uniformity, namely, that the laws of nature are invariant with time, is not peculiar to that principle or… — M. King Hubbert
It is the desire for explanations that are at once systematic and controllable by factual evidence that generates science; and it is the organization and… — Ernest Nagel
For truly in nature there are many operations that are far more than mechanical. Nature is not simply an organic body like a clock, which… — Anne Conway, Viscountess Conway
The physiological combustion theory takes as its starting point the fundamental principle that the amount of heat that arises from the combustion of a given… — Robert Mayer
[Young] was afterwards accustomed to say, that at no period of his life was he particularly fond of repeating experiments, or even of very frequently… — Hudson Gurney
No theory ever agrees with all the facts in its domain, yet it is not always the theory that is to blame. Facts are constituted… — Paul Feyerabend
This incomparable Author having at length been prevailed upon to appear in public, has in this Treatise given a most notable instance of the extent… — Edmond Halley
Facts are certainly the solid and true foundation of all sectors of nature study ... Reasoning must never find itself contradicting definite facts; but reasoning… — Rene Antoine Ferchault de Reaumur
It is clear, then, that the idea of a fixed method, or of a fixed theory of rationality, rests on too naive a view of… — Paul Feyerabend
Philosophy would long ago have reached a high level if our predecessors and fathers had put this into practice; and we would not waste time… — Marin Mersenne
Like MoliÃ¨re's M. Jourdain, who spoke prose all his life without knowing it, mathematicians have been reasoning for at least two millennia without being aware… — Ernest Nagel
The principles of logic and mathematics are true universally simply because we never allow them to be anything else. And the reason for this is… — A.J. Ayer
Evolution lies at the heart of biology. It is seamlessly and continuously linked to health research to better understand such conditions as AIDS or bird… — Huntington Willard
I find it quite improbable that such order came out of chaos. There has to be some organizing principle. God to me is a mystery… — Allan Sandage

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