'On the Sabbath' in the Bible

So the Pharisees said to Him, "Look! why are they doing what on the Sabbath is unlawful?"

They closely watched Him to see whether He would cure him on the Sabbath--so as to have a charge to bring against Him.

Then He asked them, "Are we allowed to do good on the Sabbath, or to do evil? to save a life, or to destroy one?" They remained silent.

On the Sabbath He proceeded to teach in the synagogue; and many, as they heard Him, were astonished. "Where did he acquire all this?" they asked. "What is this wisdom that has been given to him? And what are these marvellous miracles which his hands perform?