“In all the universe nothing remains permanent and unchanged but the spirit.”

“There is nothing like returning to a place that remains unchanged to find the ways in which you yourself have altered.”

“Plato had one Big Idea from which everything else derived. He fundamentally defined reality as that which is permanent and unchanging. Only ideas are permanent and unchanging; anything material deteriorates and decays.”

“It came to me that Hyde Park has never belonged to London - that it has always been , in spirit, a stretch of countryside; and that it links the Londons of all periods together most magically - by remaining forever unchanged at the heart of a ever-changing town.”

“It is said that there is nothing firm, nothing balanced, nothing durable in all the universe -- that nothing remains in its original state, that each day, each hour, each moment, there is change.”

“The one unchangeable certainty is that nothing is certain or unchangeable.”