Mark 10:18

Jesus said to him, Why do you call Me good? No one is [essentially] good [by nature] except God alone.

1 Samuel 2:2


“There is no one holy like the Lord,
There is no one besides You,
There is no Rock like our God.

Psalm 36:7-8


How precious is Your lovingkindness, O God!
The children of men take refuge in the shadow of Your wings.

Psalm 86:5


For You, O Lord, are good, and ready to forgive [our sins, sending them away, completely letting them go forever and ever];
And abundant in lovingkindness and overflowing in mercy to all those who call upon You.

Psalm 119:68


You are good and do good;
Teach me Your statutes.

Matthew 19:17

Jesus answered, “Why are you asking Me about what is [essentially] good? There is only One who is [essentially] good; but if you wish to enter into eternal life, keep the commandments.”

Luke 18:19

Jesus said to him, “Why do you call Me good? No one is [essentially and morally] good except God alone.

John 5:41-44

I do not receive glory and approval from men;

Romans 3:12


All have turned aside, together they have become useless;
There is none who does good, no, not one.”

James 1:17

Every good thing given and every perfect gift is from above; it comes down from the Father of lights [the Creator and Sustainer of the heavens], in whom there is no variation [no rising or setting] or shadow cast by His turning [for He is perfect and never changes].

1 John 4:8

The one who does not love has not become acquainted with God [does not and never did know Him], for God is love. [He is the originator of love, and it is an enduring attribute of His nature.]

1 John 4:16

We have come to know [by personal observation and experience], and have believed [with deep, consistent faith] the love which God has for us. God is love, and the one who abides in love abides in God, and God abides continually 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
Jesus answered, “Why are you asking Me about what is [essentially] good? There is only One who is [essentially] good; but if you wish to enter into eternal life, keep the commandments.”
Luke 18:19
Jesus said to him, “Why do you call Me good? No one is [essentially and morally] good except God alone.
John 5:41
I do not receive glory and approval from men;
Romans 3:12

All have turned aside, together they have become useless;
There is none who does good, no, not one.”

That is

1 Samuel 2:2

“There is no one holy like the Lord,
There is no one besides You,
There is no Rock like our God.
Psalm 36:7

How precious is Your lovingkindness, O God!
The children of men take refuge in the shadow of Your wings.
Psalm 86:5

For You, O Lord, are good, and ready to forgive [our sins, sending them away, completely letting them go forever and ever];
And abundant in lovingkindness and overflowing in mercy to all those who call upon You.
Psalm 119:68

You are good and do good;
Teach me Your statutes.
James 1:17
Every good thing given and every perfect gift is from above; it comes down from the Father of lights [the Creator and Sustainer of the heavens], in whom there is no variation [no rising or setting] or shadow cast by His turning [for He is perfect and never changes].
1 John 4:8
The one who does not love has not become acquainted with God [does not and never did know Him], for God is love. [He is the originator of love, and it is an enduring attribute of His nature.]