One Finds Limits By Pushing Them.

Assuming That A Tax Increase Is Necessary, It Is Clearly Preferable To Impose The Additional Cost On Land By Increasing The Land Tax, Rather Than To Increase The Wage Tax - The Two Alternatives Open To The City (of Pittsburgh). It Is The Use And Occupancy Of Property That Creates The Need For The Municipal Services That Appear As The Largest Item In The Budget - Fire And Police Protection, Waste Removal, And Public Works. The Average Increase In Tax Bills Of City Residents Will Be About Twice As Great With Wage Tax Increase Than With A Land Tax Increase.

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.

By 1985, Machines Will Be Capable Of Doing Any Work Man Can Do.

Enlightenments, Like Accidents, Happen Only To Prepared Minds.

I Don't Care How Big And Fast Computers Are, They're Not As Big And Fast As The World.