This is an hymn by Isaac Watts, his Hymn 129 of Book 2, published 1709.
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We walk by faith, not by sight by Isaac Watts
'Tis by the faith of joys to come
We walk through deserts dark as night;
Till we arrive at heaven our home,
Faith is our guide, and faith our light.
The want of sight she well supplies,
She makes the pearly gates appear;
Far into distant worlds she pries,
And brings eternal glories near.
Cheerful we tread the desert through,
While faith inspires a heavenly ray;
Though lions roar, and tempests blow,
And rocks and dangers fill the way.
So Abram, by divine command,
Left his own house to walk with God;
His faith beheld the promised land,
And fired his zeal along the road.
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