TNG , DS9, and VOY had these small labels all over the set and props.
TNG and DS9 used white text on red and white text on brown
Voyager used both silver text on blue and black/deep blue text on silver.
The actual text was never meant to be seen on screen, so the text often contained references.
These are my transcriptions of known labels:
Environmental Systems 01-1865
Don't tug on Superman's cape. Don't spit into the wind. Don't pull the
mask off the lone ranger, and Don't mess around with Jim.
Personal Access Display Device
Starfleet R&D, San Francisco, Planet Earth. Sol Sector
Combadges, I don't need no sticking combadges
Optical Data Net Service Access
Your mission should you choose to accept it, is to go boldly where no one has gone before. This label will self-destruct in 5 seconds. Good luck, Jim.
Optical Data Net Services Access
Just sit back and you'll hear a tale, a tale of a fateful trip, that
started from this tropic port, aboard this tiny ship...
Environmental Systems 01-1865
Contains criticality-2 components for secondary environmental support
systems. Surely you're joking, Mister Feynman.
Auxiliary systems 32-2398
Caution: Objects in mirror are closer than they appear to be. A stitch in
time saves nine. In space, no one can hear you scream
08813480912469812098123098123682173428997839289833453453453
59123409934908238493123094812340297349028390284293843523534545
Lcars Terminal 42-2966 Alpha Charlie-1
Library Computer Access and Retrieval System
Press any key to continue - which one's the any key?
Reserve Environmental Systems
09813490812409812098123098123682173428992839289833453453453
981234098349082304981230948123402973490283902842938
Tertiary Subsystem 45-784
Safety protocol 4077 must be observed prior to opening this compartment
or equipment. Sometimes you feel like a nut. Sometimes you don't.
Refer servicing to qualified starfleet technicians. No user-serviceable parts
inside - remember, no matter where you go, there you are
Refer servicing to qualified starfleet techniques. No user-serviceable parts
inside. Remember, no matter where you go, there you are
Auxiliary systems Panel 78-0067
0981349081240981209812309812368217342859928392898334534504533452
961234096349082304981230948125402973490283902839028429383245435
Three hundred thousand kilometres per second: It's not just a good
idea, it's the law. Your actual mileage may vary, of course