New Ideas Often Need Old Buildings.

Almost Nobody Travels Willingly From Sameness To Sameness And Repetition To Repetition, Even If The Physical Effort Required Is Trivial.

Does Anyone Suppose That, In Real Life, Answers To Any Of The Great Questions That Worry Us Today Are Going To Come Out Of Homogeneous Settlements?

...frequent Streets And Short Blocks Are Valuable Because Of The Fabric Of Intricate Cross-use That They Permit Among The Users Of A City Neighbouhood.

Cities Need Old Buildings So Badly It Is Probably Impossible For Vigorous Streets And Districts To Grow Without Them.... For Really New Ideas Of Any Kind--no Matter How Ultimately Profitable Or Otherwise Successful Some Of Them Might Prove To Be--there Is No Leeway For Such Chancy Trial, Error And Experimentation In The High-overhead Economy Of New Construction. Old Ideas Can Sometimes Use New Buildings. New Ideas Must Use Old Buildings.

Empires Want [cities] Only To Trade With The Empire, Which Doesn't Help Them At All. It's Just A Way Of Exploiting Them.