Using their knowledge of the eye-brain, they did no more than was necessary to fool the eye into seeing acceptably detailed and nonflickering images.

The shellfisher's object is to intercept these and drag them back in his net before a new breaker scatters them up the beach again.

Kierkegaard had no university career, and Nietzsche was a professor of Greek and Roman philology who had to retire because of ill health. Both were individualists, and both were contrarians by nature, dedicated to making people uncomfortable.

As an aside, Luddendenfoot once had a famous (or perhaps infamous) clerk - drunkard Branwell Brontë, brother to the famous Brontë sisters and writers. He was sacked from his post in March 1842 after an audit revealed a discrepancy in the books. Today, a blue plaque on the Jubilee Refreshment rooms at Sowerby Bridge station commemorates him.