It is my conviction that pure mathematical construction enables us to discover the concepts and the laws connecting them, which gives us the key to the understanding of nature ... In a certain sense, therefore, I hold it true that pure thought can grasp reality, as the ancients dreamed.
Dayodhuam: I have heard the key Turn in the door once and turn once only We think of the key, each in his prison Thinking of the key, each confirms a prison.