The Lord wants first place in our hearts.
Matthew 22:37-38
Exodus 20:3

What it means to love and desire the Lord above all else:
Psalm 27:4
Psalm 42:1-2
Psalm 63:1,8a
Psalm 73:25-26
Psalm 84:2,10
Isaiah 26:8-9a

We should love Him in thanks for all that He has done for us.
Psalm 116:1-2
1 John 4:19
Revelation 5:9

How to make the Lord a presence in our lives:
Proverbs 8:17
Psalm 143:8
Lamentations 3:41
Ephesians 5:18b-19
Hebrews 13:15

He blesses us for putting Him first.
Matthew 6:33
Psalm 16:11
Psalm 37:4
Psalm 91:14-15
John 14:21,23b
James 1:12