We found "And dost his heart sustain." used in 1 sacred songs, each carrying a unique message of faith.
And dost his heart sustain.
...Thou, Lord, hast heard the suppliant’s prayer
And dost his heart sustain.
No more shall boasting arrogance...
Thou, Lord, hast heard the suppliant’s prayer
And dost his heart sustain.
No more shall boasting arrogance
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