Edgar Allan Poe wrote ‘The Dream within a Dream’, puzzling out the meaning of thought, experience, perception, and reality. His poem pursues issues like ‘who am I, who have I been, how do I calculate significance in myself, or in anyone else?

This state of mind looks perfectly natural to Us Rhinos. We often feel We know nothing whatever, and events often prove Us right. We have always supposed that Nature does not require Us to determine the answers to life’s questions.

Which is a relief.