Certain Quote by Thomas Paine

“Anything that has been established as truth has reached its conclusion. It does not need to be established again. That truth which has been…

— Dada Bhagwan

“An 'established principle' is the one which will never become untrue, irrespective of time.”

— Dada Bhagwan

“To begin with clear and self-evident principles, to advance by timorous and sure steps, to review frequently our conclusions, and examine accurately all their…

— David Hume

Things true and evident must of necessity be recognized by those who would contradict them.

— Epictetus

A presumption of any fact is, properly, an inferring of that fact from other facts that are known; it is an act of reasoning;…

— Tony Abbott

In disquisitions of every kind there are certain primary truths, or first principles, upon which all subsequent reasoning must depend.

— Alexander Hamilton

“Ideas must be distinct before reason can act upon them;”

— Richard Dawkins

A priori Logical propositions are such as can be known a priori without study of the actual world.

— Bertrand Russell

In every science certain things must be accepted as first principles if the subject matter is to be understood; and these first postulates rest…

— Nicholas of Cusa

“If any one asks: ‘Why should I accept the results of valid arguments based on true premisses?’ we can only answer by appealing to…

— Bertrand Russell

“It is called an 'established principle' when the dialog cannot be disputed.”

— Dada Bhagwan

To no circumstance is the wide diffusion of error in the world more owing than to our habit of adopting conclusions from insufficiently established…

— Christian Nestell Bovee