1. SIMPLE CHANGE
Continuance in action.
keep going, keep alive, keep the pot boiling, keep up the ball, keep up the good work; die in harness, die with one's boots on; hold on the even tenor of one's way, pursue the even tenor of one's way.
let be; stare super antiquas vias; quieta non movere; let things take their course; stare decisis [jurisprudence].
[Adjectives] continuing; uninterrupted, unintermitting, unvarying, unshifting; unreversed, unstopped, unrevoked, unvaried; sustained; undying (perpetual) [more]; inconvertible.
[Phrases] nolumus leges Angliae mutari ["We do not wish the laws of England to be changed" (Latin)]; vestigia nulla retrorsum [Horace. "No tracks (going) backwards" (Latin)]; labitur et albetur [Horace].