Despite the evil intentions of the pharisee's Jesus had compassion even on the Sabbath day and healed the man with the withered hand.

Jesus healed the Man with the withered hand: Mark 3:1-7

Jesus went into the synagogue on the Sabbath and found a man who had a withered hand there. He knew that some people were watching Him to see if He would break the laws of the Sabbath by healing the man so that they could make an accusation against Him.

• And He entered again into the synagogue; and there was a man there which had a withered hand. Mark 3:1
  
• And they watched him, whether he would heal him on the sabbath day; that they might accuse him. Mark 3:2
  

Jesus called to the man with the withered hand and told him to come forward and then He asked the people if it was lawful to do good on the Sabbath or evil, to save life or to kill but they did not answer Him.

• And he saith unto the man which had the withered hand, Stand forth. Mark 3:3
  
• And he saith unto them, Is it lawful to do good on the sabbath days, or to do evil? to save life, or to kill? But they held their peace. Mark. 3:4
  

Jesus grieved because people's hearts were so hard and it made Him angry so He healed the man with the withered hand on the Sabbath day in spite of the fact that there were those present who wanted to convict him.

• And when he had looked round about on them with anger, being grieved for the hardness of their hearts, he saith unto the man, Stretch forth thine hand. And he stretched it out: and his hand was restored whole as the other. Mark. 3:5

Was Jesus breaking Sabbath Laws by healing this man on the Sabbath day?
No, he was not because as he said in chapter 2 the Sabbath was made for man and not man for the Sabbath.
And he said unto them, The Sabbath was made for man, and not man for the Sabbath Mark 2:27

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Sabbath Day