125. What other reason can there be for their unwillingness to have the Son spoken of as “ὁμοούσιος,” of the same substance, with the Father, but that they are unwilling to confess Him the true Son of God? This is betrayed in the letter of Eusebius of Nicomedia. “If,” writes he, “we say that the Son is true God and uncreate, then we are in the way to confess Him to be of one substance (ὁμοούσιος) with the Father.” When this letter had been read before the Council assembled at Nicæa, the Fathers put this word in their exposition of the Faith, because they saw that it daunted their adversaries; in order that they might take the sword, which their opponents had drawn, to smite off the head of those opponents’ own blasphemous heresy. Cf. 1 Sam. xvii. 51.