Treasury of Scripture Knowledge

Summary

But the man that is clean, and is not in a journey, and forbeareth to keep the passover, even the same soul shall be cut off from among his people: because he brought not the offering of the LORD in his appointed season, that man shall bear his sin.

Because

Bible References

Forbeareth

Numbers 15:30
But the person who does wrong in the pride of his heart, if he is one of you or of another nation by birth, is acting without respect for the Lord, and will be cut off from his people.
Numbers 19:13
Anyone touching the body of a dead man without making himself clean in this way, makes the House of the Lord unclean; and that man will be cut off from Israel: because the water was not put on him, he will be unclean; his unclean condition is unchanged.
Genesis 17:14
And any male who does not undergo circumcision will be cut off from his people: my agreement has been broken by him.
Exodus 12:15
For seven days let your food be unleavened bread; from the first day no leaven is to be seen in your houses: whoever takes bread with leaven in it, from the first till the seventh day, will be cut off from Israel.
Leviticus 17:4
And has not taken it to the door of the Tent of meeting, to make an offering to the Lord, before the Lord's House, its blood will be on him, for he has taken life, and he will be cut off from among his people:
Hebrews 2:3
What will come on us, if we do not give our minds to such a great salvation? a salvation of which our fathers first had knowledge through the words of the Lord, and which was made certain to us by those to whom his words came;
Hebrews 6:6
And then let themselves be turned away, it is not possible for their hearts to be made new a second time; because they themselves put the Son of God on the cross again, openly shaming him.
Hebrews 10:26
For if we do evil on purpose after we have had the knowledge of what is true, there is no more offering for sins,
Hebrews 12:25
See that you give ear to his voice which comes to you. For if those whose ears were shut to the voice which came to them on earth did not go free from punishment, what chance have we of going free if we give no attention to him whose voice comes from heaven?

Because

Numbers 9:2
Let the children of Israel keep the Passover at its regular time.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain