8 “All mine enemies whisper against Me unto the same thing”. Against Me all unto the same thing. How much better with me unto the same thing, than against me “unto the same thing.” What is, “Against me unto the same thing”? With one counsel, with one conspiring. Christ then speaks unto you, You consent against Me, consent ye to Me: why against Me? Wherefore not with Me? That same thing if you had always had, you had not divided you into schisms. For, says the Apostle, “I beseech you, brethren, that you all speak the same thing, and that there be no division among you.” “All mine enemies whisper against Me unto the same thing:” against Me do they “devise evil to Me.”
To themselves rather, for “they have gathered iniquity to themselves;” but therefore to Me, because by their intention they are to be weighed: for not because to do nothing was in their power, to do nothing was in their will. For the devil lusted to extinguish Christ, and Judas would slay Christ; yet Christ slain and rising again, we are made alive, but to the devil and to Judas is rendered the reward of their evil will, not of our salvation....The intention wherewith they spoke, not what they spoke, did He consider, who related that they spoke evil of Him, “Against Me they devised evil to Me.” And what evil to Christ, to the Martyrs what evil? All has God turned to good.
Source: The Enarrations, or Expositions, on the Psalms (New Advent)