'Seed' in the Bible

His help he has given to Israel, his servant, so that he might keep in mind his mercy to Abraham and his seed for ever,

A man went out to put in seed, and while he was doing it, some was dropped by the wayside and it was crushed under foot, and was taken by the birds of heaven.

Now this is the point of the story: The seed is the word of God.

It is like a grain of mustard seed which a man took and put in his garden, and it became a tree, and the birds of heaven made their resting-places in its branches.

And the Lord said, If your faith was only as great as a grain of mustard seed, you might say to this tree, Be rooted up and planted in the sea; and it would be done.

Because I was in fear of you, for you are a hard man: you take up what you have not put down, and get in grain where you have not put seed.

He said to him, By the words of your mouth you will be judged, you bad servant. You had knowledge that I am a hard man, taking up what I have not put down and getting in grain where I have not put seed;