final /fī′nəl/

adjective

• Forming or occurring at the end; last.
  "the final scene of a film."
• Of or constituting the end result of a succession or process; ultimate: synonym: last.
  "an act with both an immediate and a final purpose."
  Similar: last
• Not to be changed or reconsidered; unalterable.
  "The judge's decision is final."

axiom /ăk′sē-əm/

noun

• A self-evident or universally recognized truth; a maxim.
• An established rule, principle, or law.
• A self-evident principle or one that is accepted as true without proof as the basis for argument; a postulate.