Final answer:
The Latin saying above the entrance to the Globe Theatre in London, 'totus mundus agit histrionem', translates to 'the whole world is a stage'. It means that life is a performance and everyone has a role to play.
Step-by-step explanation:
The Latin saying above the entrance to the Globe Theatre in London was:
totus mundus agit histrionem
This translates to:
the whole world is a stage
It means that the entire world is like a theatrical performance, where everyone plays a role. This saying reflects the idea that life is a performance, and each person has a part to play.