'Prepare' in the Bible

“Now then, prepare one new cart and two milk cows that have never been yoked. Hitch the cows to the cart, but take their calves away and pen them up.

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

Goliath stood and called to Israel's troops, "Why do you come out to prepare for battle? Am I not the Philistine, and are you not the servants of Saul? Choose for yourselves a man so he may come down to me!

Go, I pray you, prepare yet, and know and see his place where his haunt is, and who hath seen him there: for it is told me that he dealeth very subtilly.