Matthew 6:33: "'But seek first the kingdom of God and his righteousness, and all these things will be added to you.'"
Matthew 7:7: "'Ask, and it will be given to you; seek, and you will find; knock, and it will be opened to you.'"
Matthew 4:4: "But he answered, 'It is written, "Man shall not live by bread alone, but by every word that comes from the mouth of God."'"
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The Biblical sources for this hymn are easy to distinguish: the first verse comes from Matthew 6:33; the second verse comes from Matthew 7:7; and the third verse comes from Matthew 4:4.