Knowledge acquisition should come in 2 forms - deliberate and free-flowing.
Deliberate knowledge acquisition in 3 fields
What separates knowledge acquisition different from deliberate knowledge acquisition is the portion of time dedicated to Metalearning. In addition to acquiring knowledge, one should also evaluate the methods, reasons, and progress of knowledge acquisition ideally at fixed intervals.
Free-flowing knowledge acquisition is important because we do not know what we do not know. For a single human, it is impossible to master every nuanced perspective and knowledge generated by humankind. However, this impossibility should excite us rather than discourage us. It means we will never run out of things to explore. (See a parallel view regarding purpose of life in Existentialism). See World is an infinite buffet