principle in a sentence

Definition

A principle is a fundamental truth or proposition that serves as the foundation for a system of belief or behavior.

A good teacher adheres to the principle that every student has the potential to succeed.
The principle of democracy is founded on the belief that every individual deserves a voice.
She refused to compromise her principles, even when faced with significant pressure.
Understanding the principle of supply and demand is essential for anyone studying economics.
His research is guided by the principle that scientific inquiry should benefit society as a whole.