Luke 8:4-15: "4 And when a great crowd was gathering and people from town after town came to him, he said in a parable: 5 'A sower went out to sow his seed. And as he sowed, some fell along the path and was trampled underfoot, and the birds of the air devoured it. 6 And some fell on the rock, and as it grew up, it withered away, because it had no moisture. 7 And some fell among thorns, and the thorns grew up with it and choked it. 8 And some fell into good soil and grew and yielded a hundredfold.' As he said these things, he called out, 'He who has ears to hear, let him hear.'
"9 And when his disciples asked him what this parable meant, 10 he said, 'To you it has been given to know the secrets of the kingdom of God, but for others they are in parables, so that "seeing they may not see, and hearing they may not understand." 11 Now the parable is this: The seed is the word of God. 12 The ones along the path are those who have heard; then the devil comes and takes away the word from their hearts, so that they may not believe and be saved. 13 And the ones on the rock are those who, when they hear the word, receive it with joy. But these have no root; they believe for a while, and in time of testing fall away. 14 And as for what fell among the thorns, they are those who hear, but as they go on their way they are choked by the cares and riches and pleasures of life, and their fruit does not mature. 15 As for that in the good soil, they are those who, hearing the word, hold it fast in an honest and good heart, and bear fruit with patience.'"
1 Peter 1:24-25: "24 for 'All flesh is like grass and all its glory like the flower of grass. The grass withers, and the flower falls, 25 but the word of the Lord remains forever.' And this word is the good news that was preached to you."
1 Timothy 4:15-16: "15 Practice these things, immerse yourself in them, so that all may see your progress. 16 Keep a close watch on yourself and on the teaching. Persist in this, for by so doing you will save both yourself and your hearers."
2 Timothy 2:3: "Share in suffering as a good soldier of Christ Jesus."
2 Timothy 2:10: "Therefore I endure everything for the sake of the elect, that they also may obtain the salvation that is in Christ Jesus with eternal glory."
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The Parable of the Sower from Luke 8 appears primarily in verses three through six, although it's also referred to in the line "Preach you the Word and plant it home" in the first verse. In the sixth verse (where the Lord is described with the relative clause "Who gave the sower seed to sow"), there's also some overlap with Isaiah 55:10-11: "10 'For as the rain and the snow come down from heaven and do not return there but water the earth, making it bring forth and sprout, giving seed to the sower and bread to the eater, 11 so shall my word be that goes out from my mouth; it shall not return to me empty, but it shall accomplish that which I purpose, and shall succeed in the thing for which I sent it.'"
1 Peter 1:24-25 appears at the end of the first verse: "The Word that shall endure and stand / When flow'rs and men shall be forgot." Isaiah 40:6-8 could also be cited here.
The other three passages are referred to more generally, but they seem to be in the second verse ("We know how hard, O Lord, the task / Your servant bade us undertake...") and in the second half of the third verse ("Intent alone that all may have / The wholesome loaves that all men need").