“All knowledge is conjectural and... science progresses through new theories coming to replace older ones when it becomes clear that a new theory is able to make sense of a greater circle of phenomena than are comprehended and explained by the older one and is able to predict new phenomena more accurately.”

“All knowledge is conjectural and... science progresses through new theories coming to replace older ones when it becomes clear that a new theory is able to make sense of a greater circle of phenomena than are comprehended and explained by the older one and is able to predict new phenomena more accurately.”

— John Bowlby