Hebrews 10:28

Any one who set at naught the law of Moses was put to death without pity, on the testimony of two or three witnesses.

Hebrews 2:2

For if the word uttered through angels stood firm, so that every transgression and act of disobedience met with its just retribution, how shall we escape if we neglect so great a salvation?

Matthew 18:16

"But if he will not listen to you, take one or two others along, so that by the testimony of two or three witnesses every word may be established. If he will not listen to them, tell the church;

John 8:17

"And in your Law it is written that the testimony of two men is true.

Romans 9:15

His words to Moses are. I will have mercy on whom I choose to have mercy; I will have compassion on whom I choose to have compassion.

2 Corinthians 13:1

This will be my third visit to you. Out of the mouth of two or three witnesses shall every word be confirmed.

James 2:13

For judgment is without mercy to the man who has showed no mercy. but mercy glories in the face of judgment.

Treasury of Scripture Knowledge

Summary

He that despised Moses' law died without mercy under two or three witnesses:

Despised

Bible References

Despised

Hebrews 2:2
For if the word uttered through angels stood firm, so that every transgression and act of disobedience met with its just retribution, how shall we escape if we neglect so great a salvation?

Without

Romans 9:15
His words to Moses are. I will have mercy on whom I choose to have mercy; I will have compassion on whom I choose to have compassion.
James 2:13
For judgment is without mercy to the man who has showed no mercy. but mercy glories in the face of judgment.

Under

Matthew 18:16
"But if he will not listen to you, take one or two others along, so that by the testimony of two or three witnesses every word may be established. If he will not listen to them, tell the church;
John 8:17
"And in your Law it is written that the testimony of two men is true.
2 Corinthians 13:1
This will be my third visit to you. Out of the mouth of two or three witnesses shall every word be confirmed.

General references

Matthew 7:27
"And the rain descended, and the floods came, and the winds blew, and beat upon that house, and it fell, and great was the fall of it."
Matthew 24:21
for then shall be a time of great tribulation, such as has not been from the beginning of the world until now, no, and never shall be again.
Mark 3:28
In solemn truth I tell you that the sons of men shall be forgiven all their sins and all the blasphemies they may utter,
Luke 3:9
And now truly the axe is already laid at the root of the trees. So every tree which is not bearing good fruit is cut down and thrown into the fire."
Luke 12:10
"If any one shall speak a word against the Son of man it shall be forgiven him; but he who is blasphemes against the Holy Spirit shall not be forgiven.
John 16:9
of sin, because they do not believe in me;