thou shalt. This agrees with the Samaritan Pentateuch Text, but the printed Hebrew Text has "ye shall".
seek. Compare Leviticus 26:40; Jeremiah 29:13, &c.
soul. Hebrew. nephesh. See App-13.
Related Commentaries of Deuteronomy 4:29
Deuteronomy 4:29
29 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.