What you don’t know but someone else knows is equivalent to what nobody knows.
If you feel a field of study has advanced and you feel dismayed by inability to match the *experts*, at least fill in the gaps in *your* knowledge that you can.
Such knowledge is as much contingent on politics and persuasion as it’s ok reality / truth.
An unmotivated genius contributes nothing to ‘human knowledge’.
If you read something new from a book or do your own research, the knowledge-gain for you is the same.
All knowledge is personal knowledge.