2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/90739We show there exists an exact and continuous gauge transformation between the Hamilton-Jacobi equation of classical mechanics, and the time-dependent Schrodinger equation of quantum mechanics. The transformation parameter is spin-dependent, and is a function of the quantum potential of Bohmian mechanics.Quantum PhysicsSpin: The Classical to Quantum Connectiontext