My son, by all means desist from kicking the venerable and enlightened Vizier: for as a costly jewel retains its value even if hidden in a dung-hill, so old age and discretion are to be respected even in the vile persons of our subjects. Desist therefore, and tell us what you desire and propose.

The horse and his boy (ed. HarperCollins Publishers, 1997) - ISBN: 9780006716662