The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.

If I had an hour to solve a problem I'd spend 55 minutes thinking about the problem and 5 minutes thinking about solutions.

We can not solve our problems with the same level of thinking that created them

The framing of a problem is often far more essential than its solution

The formulation of the problem is often more essential than its solution, which may be merely a matter of mathematical or experimental skill.

It's not that I'm so smart , it's just that I stay with problems longer .