When every fact, every present or past phenomenon of [the] universe, every phase of present or past lifetherein, has been examined, classified, and coordinatedwith the rest, thenthemissionof sciencewill be completed.What isthisbut saying thatthetaskof science canneverend till man ceases to be, till history is no longer made, and development itself ceases?

-Pearson, Karl
  The Grammar of Science, pt.1, ch.5.

It is impossible to understand the economic system in which we are living if we try to interpret it as a rational scheme.It has to be understood as an awkward phase in a continuing process of historical development.

-Robinson, Edwin Arlington
  Economics: an Awkward Corner.