| Rating | Solver | Clue |
|---|---|---|
| GOLDENRULE | Important principle | |
| GREAT | Entitled to earnest consideration; weighty; important; as, a great argument, truth, or principle. | |
| MAXIM | An established principle or proposition; a condensed proposition of important practical truth; an axiom of practical wisdom; an adage; a proverb; an aphorism. | |
| FUNDAMENTAL | ...r the foundation. Hence: Essential, as an element, principle, or law; important; original; elementary; as, a fundamental truth; a fundamental ... |