Related Clues:
- 'What goes up must come down' and others
- 'Poor Richard's Almanack' filler
- Established truths
- Traditional truisms
- Starts to geometric proofs
- Accepted truths
- Apothegms
- Statements accepted as true
- Math postulates
- Time-tested sayings
- "Practice makes perfect" and others
- They're accepted as true
- Old truisms
- Sage sayings
- Algebraic givens