There's a sweet spot in the neighbourhood of well-defined problems and low complexity, that sings phrases like Before even trying to implement it I know it can

There's a sweet spot in the neighbourhood of well-defined problems and low complexity, that sings phrases like Before even trying to implement it I know it can be done right, or Even though it can't be done 100% right, that's just the nature of the problem domain. Give the users a good enough solution that they can understand, so they can use it in the way _they_ need.