Foundational Principles

noun a statement or proposition that is regarded as being established, accepted, or self-evidently true

• In mathematics, an axiom is a statement that is taken to be true without proof.
• The basic axiom of economics is that people respond to incentives.
• I live by the axiom 'treat others how you want to be treated'.
• The golden rule can be seen as a moral axiom in many cultures.

noun a central or primary rule or principle on which something is based

adjective forming a necessary base or core; of central importance

• Understanding grammar is fundamental to learning any language.
• Knowing how to cook rice is a fundamental skill for living on your own.
• Bro, trust is fundamental in any relationship.
• Patience is the fundamental key to success in life.