But when you pray, use not vain repetitions, as the heathen do: for they think that they shall be heard for their much speaking.
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Theophylact of Ochrid
AD 1107
"Babbling" means praying foolishly, as when someone asks for such worldly things as fame, wealth, or victory. "Babbling" is also inarticulate, childish speech. Therefore you, O reader, must not pray foolishly.
is not necessary to make long prayers, but rather short and frequent prayers, uttering few words, but persevering in prayer.