understanding from luke 18

I remember a story that R. A. Torrey told, growing out of a series of meetings he had held in Melbourne, Australia. He had been speaking on prayer. One day just before a noon meeting a note was placed...

Lord God, let us keep your Scriptures in mind and meditate on them day and night, persevering in prayer, always on the watch. We beg you, Lord, to give us real knowledge of what we read and to show us...