'On the Sabbath' in the Bible

At that time Jesus went through the grainfields on the Sabbath, and His disciples became hungry and began to pick the heads of grain and eat.

Or have you not read in the Law, that on the Sabbath the priests in the temple break the Sabbath and are innocent?

And a man was there whose hand was withered. And they questioned Jesus, asking, “Is it lawful to heal on the Sabbath?”—so that they might accuse Him.

And He said to them, “What man is there among you who has a sheep, and if it falls into a pit on the Sabbath, will he not take hold of it and lift it out?

How much more valuable then is a man than a sheep! So then, it is lawful to do good on the Sabbath.”