Exodus 31:16

Therefore the sons of Israel shall keep the sabbath, to observe the sabbath throughout their ages for a perpetual covenant.

Genesis 9:13

I set my bow in the clouds, and it shall be for a sign of a covenant between me and the earth.

Genesis 17:11

And ye shall circumcise the flesh of your foreskin, and it shall be a token of the covenant between me and you.

Jeremiah 50:5

They shall ask the way to Zion, unto where they shall turn their faces, saying, Come, and let us join ourselves to the LORD in an eternal covenant that shall never be forgotten.

Treasury of Scripture Knowledge

Summary

Wherefore the children of Israel shall keep the sabbath, to observe the sabbath throughout their generations, for a perpetual covenant.

General references

Bible References

A perpetual covenant

Genesis 9:13
I set my bow in the clouds, and it shall be for a sign of a covenant between me and the earth.
Genesis 17:11
And ye shall circumcise the flesh of your foreskin, and it shall be a token of the covenant between me and you.
Jeremiah 50:5
They shall ask the way to Zion, unto where they shall turn their faces, saying, Come, and let us join ourselves to the LORD in an eternal covenant that shall never be forgotten.

General references

Ezekiel 20:20
and hallow my sabbaths; and they shall be a sign between me and you, that ye may know that I am the LORD your God.