Matthew 6:7
When praying, do not repeat the same words over and over again, as is done by the Gentiles, who think that by using many words they will obtain a hearing.
Matthew 23:13
But alas for you, Teachers of the Law and Pharisees, hypocrites that you are! You turn the key of the Kingdom of Heaven in men's faces. For you do not go in yourselves, nor yet allow those who try to go in to do so.
Luke 13:25-28
When once the master of the house has got up and shut the door, while you begin to say, as you stand outside and knock, 'Sir, open the door for us.' His answer will be--'I do not know where you come from.'
1 Timothy 2:8
My desire, then, is that it should be the custom everywhere for the men to lead the prayers, with hands reverently uplifted, avoiding heated controversy.