You can find this song on Youtube. Teddy Huffam and the Gems sing it.

I'm not about to quit



When the battle I fight, sometimes gets so hard, and it seems I surely will fall
and the mountain I climb, oppresses my mind, when I see, I see just how tall
the rivers so wide, the valley's so low, as low as it seems I can get
But I will come out, with a victory shout, and ...