[KristieBlold (OP)]

The specialist knows everything about a little and nothing about everything else.

[Bogie_smiles]

The specialist knows everything about a little and nothing about everything else.

Hmm, that is a bit of a generalization, wouldn't you say. It seems likely that no specialist knows everything about a chosen field, and probably knows something about various other fields. Can you defend or expand on your opening post?

[alancalverd]

It's a poor personalisation of an operative truth:

 Specialisation is the business of finding out more and more about less and less until you know almost everything about practically nothing

but most of the specialists in my social orbit know a lot about many other things too.

[Just thinking]

I know everything about nothing and a little bit about all.

[Zer0]

Jack of all Trades, Master of None.

Welcome to TNS!

[namboru]

I just know a little bit of a little thing