Some indeed think that these words convey a promise from our Lord to His disciples, that through them all hidden mysteries should be revealed, which lay beneath the veil of the letter of the Law; whence the Apostle speaks, “When they have turned to Christ, then the veil shall be taken away.” [2 Cor 3:16] So the sense would be, Ought you to fear your persecutors, when you are thought worthy that by you the hidden mysteries of the Law and the Prophets should be made manifest?
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).