'Need' in the Bible

Let us therefore draw near with boldness unto the throne of grace, that we may receive mercy, and may find grace to help us in time of need.

For when by reason of the time ye ought to be teachers, ye have need again that some one teach you the rudiments of the first principles of the oracles of God; and are become such as have need of milk, and not of solid food.

Now if there was perfection through the Levitical priesthood (for under it hath the people received the law), what further need was there that another priest should arise after the order of Melchizedek, and not be reckoned after the order of Aaron?

For ye have need of patience, that, having done the will of God, ye may receive the promise.