'Need' in the Bible

And [when] Jesus heard [it], he said to them, "Those who are healthy do not have need of a physician, but those {who are sick}. I have not come to call the righteous, but sinners."

And he said to them, "Have you never read what David did when he had need and he and those [who were] with him were hungry--

And if anyone says to you, 'Why are you doing this?' say 'The Lord has need of it, and will send it here again at once.'"

And the high priest tore his clothes [and] said, "What further need do we have of witnesses?