Romans 8:32
God did not withhold His own Son [from dying], but offered Him up for all of us. [Since He did that], will He not, along with Jesus, freely give us everything [else] also?
Romans 11:12
Now if the Jews sinning meant blessings for [the rest of] the world, and their [spiritual] defection meant blessings for the Gentiles, how much more will their fullness [also produce blessings]! [Note: "Fullness" here may mean either a large or the complete number of Jews who will be saved, or become completely obedient to God].
Romans 11:21
For if God did not spare the natural branches [i.e., the Jews], He will not spare you [Gentiles] either.
Hebrews 6:13
For when God made a promise to Abraham, since He could not make a vow by anyone greater, He vowed by Himself,
2 Peter 2:4-5
For if God did not spare sinning angels, but cast them in chains, into deep, dark dungeons to await judgment;