a man upheld by steadfastness of purpose

On the steps of the church, there was the stooping figure of a man, who had put down some burden on the smooth snow, to adjust it; my seeing the face, and my seeing him, were simultaneous. I don't think I had stopped in my surprise; but, in any case, as I went on, he rose, turned, and came down towards me. I stood face to face with Mr. Peggotty!
Then I remembered the woman. It was Martha, to whom Emily had given the money that night in the kitchen. Martha Endell - side by side with whom, he would not have seen his dear niece, Ham had told me, for all the treasures wrecked in the sea. In those days there was a side-entrance to the stable-yard of the Golden Cross, the inn so memorable to me in connexion with his misfortune, nearly opposite to where we stood. I pointed out the gateway, put my arm through his, and we went across. Two or three public-rooms opened out of the stable-yard; and looking into one of them, and finding it empty, and a good fire burning, I took him in there.
When I saw him in the light, I observed, not only that his hair was long and ragged, but that his face was burnt dark by the sun. He was greyer, the lines in his face and forehead were deeper, and he had every appearance of having toiled and wandered through all varieties of weather; but he looked very strong, and like a man upheld by steadfastness of purpose, whom nothing could tire out. He shook the snow from his hat and clothes, and brushed it away from his face, while I was inwardly making these remarks. As he sat down opposite to me at a table, with his back to the door by which we had entered, he put out his rough hand again, and grasped mine warmly.
'I'll tell you, Mas'r Davy,' he said, - 'wheer all I've been, and what-all we've heerd. I've been fur, and we've heerd little; but I'll tell you!'
I rang the bell for something hot to drink. He would have nothing stronger than ale; and while it was being brought, and being warmed at the fire, he sat thinking. There was a fine, massive gravity in his face, I did not venture to disturb. When I come to any town,' he pursued, 'I found the inn, and waited about the yard till someone turned up (someone mostly did) as know'd English. Then I told how that I was on my way to seek my niece, and they told me what manner of gentlefolks was in the house, and I waited to see any as seemed like her, going in or out. When it warn't Em'ly, I went on agen. By little and little, when I come to a new village or that, among the poor people, I found they know'd about me. They would set me down at their cottage doors, and give me what-not fur to eat and drink, and show me where to sleep; and many a woman, Mas'r Davy, as has had a daughter of about Em'ly's age, I've found a-waiting fur me, at Our Saviour's Cross outside the village, fur to do me sim'lar kindnesses. Some has had daughters as was dead. And God only knows how good them mothers was to me.