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The slums are not a place of despair. Its inhabitants are all working towards a better life.

Slums could be thought of as the development of a special organ, or they could be thought of as a tumor that's grown, and in some ways is unhealthy and could ultimately lead to the city's destruction. My own feeling is that slums are probably a bit of both.

Civilization is the making of civil persons.

To one extent, if you've seen one city slum, you've seen them all.

Civilization consists in the multiplication and refinement of human wants.

Civilization is a method of living, an attitude of equal respect for all men.

The exact measure of the progress of civilization is the degree in which the intelligence of the common mind has prevailed over wealth and brute force.

A civilized man is one who will give a serious answer to a serious question. Civilization itself is a certain sane balance of values.

We can't have it so there are skyscrapers side by side with slums.