For as often as the admonition occurs either in the Gospel or the Revelation of St. John, it signifies that there is a mystical meaning in what is said, and we must inquire more closely into it. Hence the disciples who were ignorant ask our Saviour, for it follows, And his disciples asked him, &c. But let no one suppose that as soon as the parable was finished His disciples asked Him, but as Mark says, When he was alone they asked him. (Mark 4:10.)
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).