when you believe - mariah carey whitney houston - Mariah Carey 1's when you believe (from the prince of egypt) mariah carey whitney houston many nights we've prayed with no proof anyone could hear in our hearts a hopeful song we barely understood now we are not afraid although we know there's much to fear we were moving the mountains long before we knew we could there can be miracles when you believe though hope is frail, it's hard to kill who knows what miracles you can achieve