Why did Israel fail to attain unto righteousness?

Answer

"But Israel, which followed after the law of righteousness, hath not attained to the law of righteousness.
Wherefore? Because they sought it not by faith, but as it were by the works of the law. For they stumbled
at that stumbling-stone!' Rom. 9: 31, 32.

In what way is this comparison further explained?
What is the basis of faith?
What did the prophet see in this vision?
Until what time did the ceremonial law impose the service performed in the worldly sanctuary?
Will the Sabbath be observed as a day of worship in the new earth?
At His ascension, what assurance was given of Christs return ?
What command is given under the sixth trumpet?

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