principen

the basic principle of democracy is that everyone has equal rights.

we must follow the fundamental principle of fairness.

this theory is based on a simple principle.

the principle behind this experiment is sound.

she refused to compromise her principles.

it's a matter of principle for him.

the company operates on the principle of honesty.

we should apply this principle to all cases.

the principle of supply and demand governs prices.

he believes in the principle of hard work.

the principle of conservation of energy is fundamental in physics.

it's against my principles to lie.