Mark Has Some Good News, Part 55, Long Robes Don't Hide Short Comings
Beware of the Scribes
38 And in his teaching he said, "Beware of the scribes, who like to walk around in long robes and like greetings in the marketplaces 39 and have the best seats in the synagogues and the places of honor at feasts, 40 who devour widows' houses and for a pretense make long prayers. They will receive the greater condemnation."
You can't fake Christianity. I mean you can try but under a thorough investigation everyone gets shown up by the scriptures in one way or another. Knowing who you are in Christ and living accordingly will only show when other see your love. You can't give great amounts and not betray the sinner holding the purse string unless that gift is made with love and not given in hopes of recognition. You can't live righteously and assume you won't brand yourself a sinner by doing it out loud.
Jesus sacrifice is the great equalizer for humanity it both allows and halts and movement in our own righteousness. Jesus was showing how the scribes while playing the part of righteous were actually arrogant thieves. He would go on to make it unavoidably clear that only one thing makes you right in God's eyes, God. Giving out of respect and recognition, piety out of example and humility, generosity with consideration. All these actions need love to complete them.
Jesus shows us that without our love and his nothing is right or good in our actions.