Words are cheap...woudn't you agree?  Lot's of people talk, but what is the internal reality for them?  Jesus is calling out the talkers and getting to what's most important.

***Note:  One correction.  In the podcast I said that Jesus was quoting Isaiah in 20:19, but the passages is Isaiah 29:13

Matthew 15:8-9 “‘This people honors me with their lips, but their heart is far from me; 9 in vain do they worship me, teaching as doctrines the commandments of men.’”