WHAT DO THESE MEAN?

Found on a park bench in Oxford.

ORE STABIT FORTIS ARARE

PLACET ORE STAT

Written on a large ceramic bowl dug up from a field in Essex.

ITI SAPIS SPOTANDITIS

AB IGONE

An inscription written on a metal bowl of similar size.
Believed to have come from the same household.

ITI SAPIS SPOTANDA

TINO NE

And finally

CAESAR ADSUM IAM FORTE
POMPEY ADERAT
CAESAR SIC IN OMNIBUS
POMPEY SIC INAT