Those who fall in love with practice without science are like a sailor who enters a ship without a helm or a compass, and who never can be certain whither he is going.
Leonardo da Vinci, framentari letterari e filosofico, ca. 1490 quoted in: Vittorio M. Lampugnani, Architektur als Kultur, Köln 1986, pg. 45

Science and theory are boring? Quite the contrary – they can be as exciting as a murder mystery!

Meaningfulness and quality