[HuntsvilleTxVeteran]

Expertise in one field does not carry over into other fields.
But experts often think so.
The narrower their field of knowledge the more likely they are to think so.

LAZARUS LONG

Expert, break it down.
EX = has been
Pert sounds like spurt
Spurt = drip under pressure.
EXPERT means a has been drip under pressure.

Me

[FreedomCalls]

Expertise in one field does not carry over into other fields.

Al Gore. Global Warming.

[Beckwith]

That is as old as the hills.

No disrespect intended.

[MistrX]

Long live Heinlein!