Luke 11:52–54

Verse 52. You have taken away the key of knowledge. A comparison of a master that locks others out. As if Christ said: you pretend, as masters and teachers, to open and expound the law and the prophets; and by your false doctrine and interpretations, you neither observe the law, nor permit others to observe it. See Matthew 23:13. Witham.—The key of knowledge is faith; for by faith we come to the knowledge of truth, according to that of Isaiah, How shall they understand, if they have not believed? Cap. 7, (according to Septuagint) these doctors of the law took away the key of science, by not allowing the people to believe in Christ. S. Cyril ex D. Thoma.

Verse 53. And to oppress (that is stop) his mouth about many things. [2] This is the literal signification of the Greek: they started one question upon another, to raise confusion and confound the answers. Witham.