Which is the Greatest Commandment?

1 Peter 3:15 NKJV

15 But sanctify the Lord God in your hearts, and always be ready to give a defense to everyone who asks you a reason for the hope that is in you, with meekness and fear;

Deuteronomy 6:4–6 NKJV

4 “Hear, O Israel: The Lord our God, the Lord is one! 5 You shall love the Lord your God with all your heart, with all your soul, and with all your strength. 6 “And these words which I command you today shall be in your heart.

Leviticus 19:18 NKJV

18 You shall not take vengeance, nor bear any grudge against the children of your people, but you shall love your neighbor as yourself: I am the Lord.

Luke 18:10–12 NKJV

10 “Two men went up to the temple to pray, one a Pharisee and the other a tax collector. 11 The Pharisee stood and prayed thus with himself, ‘God, I thank You that I am not like other men—extortioners, unjust, adulterers, or even as this tax collector. 12 I fast twice a week; I give tithes of all that I possess.’

Luke 18:13–14 NKJV

13 And the tax collector, standing afar off, would not so much as raise his eyes to heaven, but beat his breast, saying, ‘God, be merciful to me a sinner!’ 14 I tell you, this man went down to his house justified rather than the other; for everyone who exalts himself will be humbled, and he who humbles himself will be exalted.”