There are no big problems, there are just a lot of little problems.
If answers to our national problems were [readily] available we would not have to spend all our time talking about them.
No easy problems ever come to the President. If they are easy to solve, somebody else has solved them.
I like solving problems that seem intractable. That's how I thrive.
Not all complex problems have easy solutions; so says science (so warns science.)
Some mathematics problems look simple, and you try them for a year or so, and then you try them for a hundred years, and it turns out that they're extremely hard to solve. There's no reason why these problems shouldn't be easy, and yet they turn out to be extremely intricate.
The thorniest problems are never technological.
The remedies are neither easy, nor cheap, nor immediately realizable.
to the urban housing problem
If simple, painless solutions to public problems existed, they would have been found long ago.
Ugly problems often require ugly solutions. Solving an ugly problem in a pure manner is bloody hard.
There are many people who want simple solutions, but there are none ... nor will there be.
The task of the government is not only to pour honey into a cup, but sometimes to give bitter medicine.
There are solutions that are proper, but they require the painstaking and difficult work of building alliances and also being prepared to analyze the problem realistically. And exactly the same thing is going on my side of the Atlantic as is going on your side of the Atlantic.