"Conceit is an insuperable obstacle to all progress"

"Technological progress has merely provided us with more efficient means for going backwards"

"Finds progress, man's distinctive mark alone, Not God's, and not the beast's; God is, they are, Man partly is, and wholly hopes to be"

"Progress is man's ability to complicate simplicity"

"Problems are the price of progress. Don't bring me anything but trouble. Good news weakens me"

"In my case Pilgrim's Progress consisted in my having to climb down a thousand ladders until I could reach out my hand to the little clod of earth that I am"

"The power to question is the basis of all human progress"

"Unquestionably, there is progress. The average American now pays out twice as much in taxes as he formerly got in wages"

"Nature gives to every time and season some beauties of its own; and from morning to night, as from the cradle to the grave, it is but a succession of changes so gentle and easy that we can scarcely mark their progress"

"Law and order exist for the purpose of establishing justice and when they fail in this purpose they become the dangerously structured dams that block the flow of social progress"

"The keystone of successful business is cooperation. Friction retards progress"