What kind of worship does the Savior call that which is not according to God's commandments?

Answer

"But in vain they do worship Me, teaching for doctrines the commandments of men." Matt. 15: 9.
 


How does David express this same truth?
What message of entreaty has God sent to us through His appointed messengers?
To whom will the gates of the heavenly city finally be opened?
Who is this dragon?
What warning has Christ given that we might not be taken by surprise by this great event?
What will He say to those on the left?
How does the prophet again speak of this time?

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