What place has the Sabbath in the work of salvation?

Answer

"Moreover also I gave them My Sabbaths, to be a sign between Me and them, that they might know that I
am the Lord that sanctify them." Eze. 20: 12.

By what is this cleansing from sin and fitting for God's service accomplished?
Can we close our ears to truth, and remain innocent before God?
What question did -Christ's wonderful teaching call forth?
What does God desire to teach the children?
How long will they live?
What is said of charity in the Scriptures?
What will then he the condition of all the earth?

Questions & Answers are from the book Bible Readings for the Home Circle