Mastery requires persistent, long-term effort; there is no shortcut to true knowledge.
When Giardini was asked how long it would take to play on the violin, he replied, "Twelve hours a day for twenty years together." The author of "Telemachus" was right, when he sought to impress upon his pupil, that there was no royal road to learning, and that even the grace of God would not make a man a scholar. A man may be "superficially omniscient," as Charles Lamb expressed it, without much hard effort; but there is but one pathway to thorough knowledge, — "the republican one of labor and toil."