Let me have the best solution worked out. Don't argue the matter. The difficulties will argue for themselves.

For every obstacle there is a solution. Persistence is the key. The greatest mistake is giving up!

Having no knowledge is sometimes exactly what is needed to find a solution, so I qualified.

Our experience has taught us that with goodwill a negotiated solution can be found for even the most profound problems.

Mankind always sets itself only such tasks as it can solve; since, looking at the matter more closely, we will always find that the task itself arises only when the material conditions necessary for its solution already exist or are at least in the process of formation.

If a problem cannot be solved, enlarge it.