in consuetudinibus, non diuturnitas temporis sed soliditaa rationis est consideranda

/in konswat(y)uwdinabas, non dayatarnataes temparas sed salidataes reyshiyownas est kansidaraenda/ In customs, not length of time, but solidity of reason, is to be considered. The antiquity of a custom is to be less regarded than its reasonableness