Mark 10:18

And Jesus said to him, Why do you call me good? none is good but one, God.

Matthew 19:17

And he said to him, Why do you ask me of the good? one is the good. But if you wish to enter into life, keep the commandments.

Luke 18:19

And Jesus said to him, Why do you call me good? There is none good but one, God.

John 5:41-44

I receive not glory from men,

Romans 3:12

all have turned aside, they have together become unprofitable; there is no one that does good, there is not even one;

James 1:17

All good giving, and every perfect gift, comes down from above, from the Father of lights, with whom there is no change or shadow of turning.

1 John 4:8

He that loves not has not known God; for God is love.

1 John 4:16

And we have known and believed the love which God has for us. God is love; and he that continues in love continues in God and God in him.

Treasury of Scripture Knowledge

Summary

And Jesus said unto him, Why callest thou me good? there is none good but one, that is, God.

Bible References

Why

Matthew 19:17
And he said to him, Why do you ask me of the good? one is the good. But if you wish to enter into life, keep the commandments.
Luke 18:19
And Jesus said to him, Why do you call me good? There is none good but one, God.
John 5:41
I receive not glory from men,
Romans 3:12
all have turned aside, they have together become unprofitable; there is no one that does good, there is not even one;

That is

James 1:17
All good giving, and every perfect gift, comes down from above, from the Father of lights, with whom there is no change or shadow of turning.
1 John 4:8
He that loves not has not known God; for God is love.