Le temps est un grand maître, dit-on; le malheur
est qu’il soit un maître inhumain qui tue ses élèves.
Time is a great teacher, but unfortunately it kills all its pupils.
Hector Berlioz, letter written in November 1856, published in Pierre Citron (ed.) Correspondance générale (1989), vol. 5, p. 390; as quoted by Paul Davies in About Time: Einstein’s Unfinished Revolution (1996), p. 214.