Some psalm to the purpose expound me!"

"That psalm," the Professor smiled, "shall be

Untroubled by doubt which dirtieth

Pellucid streams when an ass like thee

Would drink there—the Nine-and-thirtieth.

"Verse First: I said I will look to my ways

That I with my tongue offend not.

How now? Why stare? Art struck in amaze?

Stop, stay! The smooth line hath an end knot!

"He's gone!—disgusted my text should prove