„Facts do not “speak for themselves.” They speak for or against competing theories. Facts divorced from theory or visions are mere isolated curiosities.“

— Thomas Sowell
„Quantum theory provides us with a striking illustration of the fact that we can fully understand a connection though we can only speak of it in images and parables.“
— Werner Heisenberg
„If the facts don't fit the theory, change the facts.“
— Albert Einstein
„Everything must be taken into account. If the fact will not fit the theory — let the theory go.“
— Agatha Christie
„We have forgotten the age-old fact that God speaks chiefly through dreams and visions.“
— C.G. Jung
„We do not talk - we bludgeon one another with facts and theories gleaned from cursory readings of newspapers, magazines and digests.“
— Henry Miller
„It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.“
— Arthur Conan Doyle