Mark 12:27

He is not the God of the dead, but of the living; you are greatly mistaken."

Mark 12:24

Jesus said to them, "Is not this why you are wrong, that you do not know the Scriptures nor the power of God?

Romans 4:17

(as it is written, "I have made you the father of many nations") in the presence of the God in whom he believed, who gives life to the dead and calls things that do not exist as though they did.

Romans 14:9

For to this end Christ died and lived again, that he might be Lord both of the dead and of the living.

Hebrews 3:10

Therefore I was angry with that generation, and said, 'They always go astray in their hearts; and they have not known my ways.'

Hebrews 11:13-16

These all died in faith, not having received the promises, but having seen them and greeted them from a distance, and having acknowledged that they were strangers and exiles on the earth.

Treasury of Scripture Knowledge

Summary

He is not the God of the dead, but the God of the living: ye therefore do greatly err.

Bible References

Is not

Romans 4:17
(as it is written, "I have made you the father of many nations") in the presence of the God in whom he believed, who gives life to the dead and calls things that do not exist as though they did.
Romans 14:9
For to this end Christ died and lived again, that he might be Lord both of the dead and of the living.
Hebrews 11:13
These all died in faith, not having received the promises, but having seen them and greeted them from a distance, and having acknowledged that they were strangers and exiles on the earth.

Ye

Mark 12:24
Jesus said to them, "Is not this why you are wrong, that you do not know the Scriptures nor the power of God?
Hebrews 3:10
Therefore I was angry with that generation, and said, 'They always go astray in their hearts; and they have not known my ways.'