'Soul' in the Bible

so that the Lord may carry out His promise which He spoke concerning me, saying, ‘If your sons are careful of their way, to walk before Me in truth with all their heart and with all their soul, you shall not lack a man on the throne of Israel.’

if they return to You with all their heart and with all their soul in the land of their enemies who have taken them captive, and pray to You toward their land which You have given to their fathers, the city which You have chosen, and the house which I have built for Your name;