As much as to say; It is of My will, and of the Father’s will, that I should die for the salvation of men; you considering only your own will would not that the grain of wheat should fall into the ground, that it may bring forth much fruit; therefore as you speak what is opposed to My will, you ought to be called My adversary. For Satan is interpreted ‘adverse’ or ‘contrary.’
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).