Library Pseudo-Clement Clementine Homilies
Homily 9, Chapter 20: Not Almost, But Altogether Such as I Am.
Do not then suppose that we do not fear demons on this account, that we are of a different nature from you. For we are of the same nature, but not of the same worship. Wherefore, being not only much but altogether superior to you, we do not grudge you becoming such as we are; but, on the other hand, counsel you, knowing that all these demons beyond measure honour and fear those who are reconciled to God.
English translation in Ante-Nicene Fathers, Vol. VIII (eds. Alexander Roberts and James Donaldson; Buffalo: Christian Literature Publishing Co., 1886). Public domain. Digital text via New Advent Church Fathers.