51.  And a philosopher who was there present, a skilful astronomer, asked the Lord Jesus whether He had studied astronomy. And the Lord Jesus answered him, and explained the number of the spheres, and of the heavenly bodies, their natures and operations; their opposition; their aspect, triangular, square, and sextile; their course, direct and retrograde; the twenty-fourths, and sixtieths of twenty-fourths; and other things beyond the reach of reason.