The Proper Study Of Mankind

Enlightenments, Like Accidents, Happen Only To Prepared Minds.

The Social Sciences, I Thought, Needed The Same Kind Of Rigor And The Same Mathematical Underpinnings That Had Made The 'hard' Sciences So Brilliantly Successful.

The Aim ... Is To Provide A Clear And Rigorous Basis For Determining When A Causal Ordering Can Be Said To Hold Between Two Variables Or Groups Of Variables In A Model . . . . The Concepts Refer To A Model-a System Of Equations-and Not To The 'real' World The Model Purports To Describe.

Learning Results From What The Student Does And Thinks, And Only From What The Student Does And Thinks. The Teacher Can Advance Learning Only By Influencing The Student To Learn.

Many Individuals And Organization Units Contribute To Every Large Decision, And The Very Problem Of Centralization And Decentralization Is A Problem Of Arranging The Complex System Into An Effective Scheme.