Integrative power [is] the ultimate power - Kenneth E. Boulding

Mathematicians themselves set up standards of generality and elegance in their exposition which are a bar to understand.

[The is] the supreme mover of economic order... for whom all goods are made and towards whom all economic activity is directed.

[The notion of equilibrium ] is a notion which can be employed usefully in varying degrees of looseness. It is an absolutely indispensable part of the toolbag of the economist and one which he can often contribute usefully to other sciences which are occasionally apt to get lost in the trackless exfoliations of purely dynamic systems.