We will recite the Office thoughtfully and solemnly, following exactly the mediants and the other indications, and making sure that we do not warrant Jesus Christ’s criticism of the Jews, that they honored God with their lip service, while their hearts were very far from God.
1818 Rule, Part One, Chapter 3, §6 Divine Office
In your prayers do not babble as the gentiles do, for they think that by using many words they will make themselves heard. Matthew 6:7
This people honors me with their lips, but their hearts are far from me. Mark 7:6
In prayer it is better to have a heart without words than words without a heart. Mahatma Gandhi