Deuteronomy 4:29
But if from there you shall seek the LORD your God, you shall find him, if you seek him with all your heart and with all your soul.
Torrey's Topical Textbook—AKJV

1 Chronicles 28:9
And you, Solomon my son, know you the God of your father, and serve him with a perfect heart and with a willing mind: for the LORD searches all hearts, and understands all the imaginations of the thoughts: if you seek him, he will be found of you; but if you forsake him, he will cast you off for ever.
Torrey's Topical Textbook—AKJV

Proverbs 8:17
I love them that love me; and those that seek me early shall find me.
Torrey's Topical Textbook—AKJV

Jeremiah 29:13
And you shall seek me, and find me, when you shall search for me with all your heart.
Torrey's Topical Textbook—AKJV