Knowledge for knowledge's sakeis the goal of?

You can use both. You can use "knowledge of" when you are saying that you have the knowledge of something specific. You can use "knowledge in" when you're talking about a vast area/field of...

Knowledge management as a technological information system allows organizations to pull together the collective knowledge of its employees.

she has a wealth of knowledge.

Knowledge management deals with all the knowledge assets of the organization. It encompasses knowledge held at the individual and organizational level, and includes both useful and obsolete knowledge...

This is a complex question. The quick and dirty answer is a resounding 'no'. This does not mean that there is no such thing as scientific progress. Science itself is a heuristic, a specific kind of...