John

14 But whosoever drinketh of the water that I shall give him shall never thirst; but the water that I shall give him shall be in him a well of water springing up into everlasting life.

27 Peace I leave with you, my peace I give unto you: not as the world giveth, give I unto you. Let not your heart be troubled, neither let it be afraid.

3 And this is life eternal, that they might know thee the only true God, and Jesus Christ, whom thou hast sent.

14 Let not your heart be troubled: ye believe in God, believe also in me.