“No science — especially the “hard” sciences economists envy most, such as physics, chemistry and biology — has flourished without a very large does of data-constraining theorizing.” — Colin Camerer
From the book, Behavioral Game Theory.
One of the signs of an immature science is the lack of either a robust theoretical (usually a euphemism for “mathematical”) side or a robust empirical side. There must be both — in constant push and pull — each constraining the excesses of the other and driving each to be their best.
Now go lift something heavy,