"Real progress in understanding nature is rarely incremental. All important advances are sudden intuitions, new principles, new ways of seeing"

"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"

"The art of medicine consists in amusing the patient while nature cures the disease"

"Tomorrow is the most important thing in life. Comes into us at midnight very clean. It's perfect when it arrives and it puts itself in our hands. It hopes we've learned something from yesterday"

"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"

"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"

"We cannot command Nature except by obeying her"

"Disciplining yourself to do what you know is right and important, although difficult, is the highroad to pride, self-esteem, and personal satisfaction"

"Nature and wisdom never are at strife"