'With All Your Heart' in the Bible

And it shall come to pass, if ye shall hearken diligently to my commandments which I command you this day, to love the LORD your God, and to serve him with all your heart and with all your soul,

Thou shalt not hearken to the words of that prophet, or that dreamer of dreams: for the LORD your God proveth you, to know whether ye love the LORD your God with all your heart and with all your soul.

But take diligent heed to perform the commandment and the law, which Moses the servant of the LORD charged you, to love the LORD your God, and to walk in all his ways, and to keep his commandments, and to cleave to him, and to serve him with all your heart, and with all your soul.

And Samuel spoke to all the house of Israel, saying, If ye do return to the LORD with all your hearts, then put away the strange gods, and Ashtaroth, from among you, and prepare your hearts to the LORD, and serve him only: and he will deliver you from the hand of the Philistines.

And Samuel said to the people, Fear not: ye have done all this wickedness: yet turn not aside from following the LORD, but serve the LORD with all your heart;

Only fear the LORD, and serve him in truth with all your heart: for consider how great things he hath done for you.

And ye shall seek me, and find me, when ye shall search for me with all your heart.

Therefore also now, saith the LORD, Turn ye even to me with all your heart, and with fasting, and with weeping, and with mourning: