we did magnify our office unto the Lord, taking upon us the responsibility - Jacob 1:19

Jacob 1:19

And we did magnify our office unto the Lord, taking upon us the responsibility, answering the sins of the people upon our own heads if we did not teach them the word of God with all diligence; wherefore, by laboring with our might their blood might not come upon our garments; otherwise their blood would come upon our garments, and we would not be found spotless at the last day.
Jacob 1:19

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the labor which they had to perform was to look 1 Nephi 17:41

1 Nephi 17:41

And he did straiten them in the wilderness with his rod; for they hardened their hearts, even as ye have; and the Lord straitened them because of their iniquity. He sent fiery flying serpents among them; and after they were bitten he prepared a way that they might be healed; and the labor which they had to perform was to look; and because of the simpleness of the way, or the easiness of it, there were many who perished.
1 Nephi 17:41

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And now, my beloved son, notwithstanding their hardness, let us labor diligently; for if we should cease to labor, we should be brought under condemnation; for we have a labor to perform whilst in this tabernacle of clay, that we may conquer the enemy of all righteousness, and rest our souls in the kingdom of God. Moroni 9:6

Moroni 9:6

And now, my beloved son, notwithstanding their hardness, let us labor diligently; for if we should cease to labor, we should be brought under condemnation; for we have a labor to perform whilst in this tabernacle of clay, that we may conquer the enemy of all righteousness, and rest our souls in the kingdom of God.
Moroni 9:6

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