2 Timothy 2:19
However, the solid foundation of God stands firm. [Note: This probably refers to the church. See I Tim. 3:15]. It is sealed with these words [i.e., certifying God's ownership and a commitment to Him]: "The Lord knows those who are His people," [See Num. 16:5], and "Everyone who confesses the name of the Lord should stop practicing wickedness." [See Isa. 36:13].
John 10:27
My sheep listen to my voice, and I know them, and they follow me.
Matthew 7:23
And then I will declare to them, 'I never acknowledged you [as my people]; go away from me, you people who have done sinful things.'
Matthew 27:43
He trusted in God; now let God deliver him, if He wants [to save him from dying], for he said, 'I am the Son of God.'"
John 10:14
I am the good shepherd and I know my sheep [intimately], and they know me [that way],
Romans 11:22
So, look at God's kindness and severity. He was severe with those [Jews] who have fallen, but He is kind to you [Gentiles], if you continue to accept His kindness [i.e., by living for Him faithfully]. Otherwise, you too will be cut off [like the Jews were].
Galatians 4:9
But now that you have come to know God [as your Father], or rather, to be known by Him [as His children], how can you turn back again to the weak, cheap, elementary teachings [of the law of Moses], to which you [seem to] desire to become enslaved?
1 John 4:8-10
The person who does not love [others] does not know God [as Savior], for [the very nature of] God is love.