Luke 6:2

But some of the Pharisees said to them, "Why do you do that which is not lawful to do on the Sabbath day?"

Matthew 12:2

But the Pharisees, when they saw it, said to him, "Behold, your disciples do what is not lawful to do on the Sabbath."

Exodus 22:10

"If a man delivers to his neighbor a donkey, an ox, a sheep, or any animal to keep, and it dies or is injured, or driven away, no man seeing it;

Exodus 31:15

Six days shall work be done, but on the seventh day is a Sabbath of solemn rest, holy to Yahweh. Whoever does any work on the Sabbath day shall surely be put to death.

Exodus 35:2

'Six days shall work be done, but on the seventh day there shall be a holy day for you, a Sabbath of solemn rest to Yahweh: whoever does any work in it shall be put to death.

Numbers 15:32-35

While the children of Israel were in the wilderness, they found a man gathering sticks on the Sabbath day.

Isaiah 58:13

"If you turn away your foot from the Sabbath, from doing your pleasure on my holy day; and call the Sabbath a delight, [and] the holy of Yahweh honorable; and shall honor it, not doing your own ways, nor finding your own pleasure, nor speaking [your own] words:

Matthew 15:2

"Why do your disciples disobey the tradition of the elders? For they don't wash their hands when they eat bread."

Matthew 23:23-24

"Woe to you, scribes and Pharisees, hypocrites! For you tithe mint, dill, and cumin, and have left undone the weightier matters of the law: justice, mercy, and faith. But you ought to have done these, and not to have left the other undone.

Mark 2:24

The Pharisees said to him, "Behold, why do they do that which is not lawful on the Sabbath day?"

Luke 5:33

They said to him, "Why do John's disciples often fast and pray, likewise also the disciples of the Pharisees, but yours eat and drink?"

Luke 6:7-9

The scribes and the Pharisees watched him, to see whether he would heal on the Sabbath, that they might find an accusation against him.

John 5:9-11

Immediately, the man was made well, and took up his mat and walked. Now it was the Sabbath on that day.

John 5:16

For this cause the Jews persecuted Jesus, and sought to kill him, because he did these things on the Sabbath.

John 9:14-16

It was a Sabbath when Jesus made the mud and opened his eyes.

Treasury of Scripture Knowledge

Summary

And certain of the Pharisees said unto them, Why do ye that which is not lawful to do on the sabbath days?

Bible References

Why

Luke 6:7
The scribes and the Pharisees watched him, to see whether he would heal on the Sabbath, that they might find an accusation against him.
Luke 5:33
They said to him, "Why do John's disciples often fast and pray, likewise also the disciples of the Pharisees, but yours eat and drink?"
Matthew 12:2
But the Pharisees, when they saw it, said to him, "Behold, your disciples do what is not lawful to do on the Sabbath."
Matthew 15:2
"Why do your disciples disobey the tradition of the elders? For they don't wash their hands when they eat bread."
Matthew 23:23
"Woe to you, scribes and Pharisees, hypocrites! For you tithe mint, dill, and cumin, and have left undone the weightier matters of the law: justice, mercy, and faith. But you ought to have done these, and not to have left the other undone.
Mark 2:24
The Pharisees said to him, "Behold, why do they do that which is not lawful on the Sabbath day?"
John 5:9
Immediately, the man was made well, and took up his mat and walked. Now it was the Sabbath on that day.
John 9:14
It was a Sabbath when Jesus made the mud and opened his eyes.

Not

Exodus 22:10
"If a man delivers to his neighbor a donkey, an ox, a sheep, or any animal to keep, and it dies or is injured, or driven away, no man seeing it;
Exodus 31:15
Six days shall work be done, but on the seventh day is a Sabbath of solemn rest, holy to Yahweh. Whoever does any work on the Sabbath day shall surely be put to death.
Exodus 35:2
'Six days shall work be done, but on the seventh day there shall be a holy day for you, a Sabbath of solemn rest to Yahweh: whoever does any work in it shall be put to death.
Numbers 15:32
While the children of Israel were in the wilderness, they found a man gathering sticks on the Sabbath day.
Isaiah 58:13
"If you turn away your foot from the Sabbath, from doing your pleasure on my holy day; and call the Sabbath a delight, [and] the holy of Yahweh honorable; and shall honor it, not doing your own ways, nor finding your own pleasure, nor speaking [your own] words: