And if you are Christ's, then you are Abraham's seed, and yours is the heritage by the right of God's undertaking given to Abraham.

For is it man's favour or God's that I aspire to? Or am I seeking to please men? If I were still a man-pleaser, I should not be Christ's bondservant.

then, brethren, we are not a maid-servant's children, but the free-woman's.

Now the slave woman's son was conceived through human means, while the free woman's son was conceived through divine promise.