think not to say] Or, say not. As what he thinks he hath, or seems to have, Luke 8. 18. for that which he hath, Matthew 25:29.
We have Abraham to our father] John 8:39. Do not think your selves to be safe and well, as those that neither need repentance, nor have cause to fear judgement, because ye are of the holy seed, being of Abrahams posteritie, Romans 11:16. Or, do not think, that God either will not, or cannot cut you off, because he hath promised to continue a seed to Abraham for ever, Jeremiah 31:35-36.
God is able] He can perform his promise to Abraham, though ye all perish.
of these stones] He looks to the stones on the ground. It may also be an allusion to Isai. 51. 1, 2. An emphaticall expression, like that, Luke 19. 40. 50. Numbers 14:12.
to raise up] As to the deceased seed, or issue, Genesis 38:8. Chap. 22. 24.
children unto Abraham] Spirituall ones, Romans 9:8. by taking away their stony hearts, and giving them hearts of flesh, Ezekiel 11:19. children of promise, Galatians 3:29.