“What I cannot create, I do not understand.Know how to solve every problem that has been solved.”

“It’s more difficult to create the problem than to solve it. All the person trying to solve the problem has to do is always respect the problem’s creator.”

“If the problem can be solved why worry? If the problem cannot be solved worrying will do you no good.”

“Pippa's laugh is bitter, tinged with tears. 'Ha! Why do girls think being beautiful will solve every problem? Being beautiful just creates problems. It's a misery. I wish I were someone else.”

“Dad, how do soldiers killing each other solve the world's problems?”

“The effort to get rid of what we do not want is reactive, retrospectively oriented problem solving. The effort to obtain what we want is proactive, prospectively oriented problem solving.”

“Whenever you work on something and try to solve one problem, and you end up helping or solving many other problems, it is a sign that what you are doing is good.”

“There is no human problem which could not be solved if people would simply do as I advise.”

“Teachers need to be trained on how children learn, not only how to solve mathematical problems. They must know how to make learners well understand the New Math and enable them to solve mathematical problems.”

“It [thought] is a mechanical thing and can solve only mechanical problems. But you want to use it to understand something living; that is the problem. It is not intended for that. Human problems are something living. You cannot use thinking to solve those problems.”