Deuteronomy 4:29 in the King James Version
But if from thence thou shalt seek the LORD thy God, thou shalt find him, if thou seek him with all thy heart and with all thy soul.
Context
28 There you will serve gods, the work of men’s hands, wood and stone, which neither see, nor hear, nor eat, nor smell.
29 But from there you shall seek the LORD your God, and you will find him when you search after him with all your heart and with all your soul.
30 When you are in oppression, and all these things have come on you, in the latter days you shall return to the LORD your God and listen to his voice.