This is an ungrammatical or misspelled version of sine metu aut favore "without fear or favor."
It means, "Either learn or leave."
Veritas aut mors.
The root "aut" comes from Greek and means "self" or "same." It is often used in words related to self or something that is automatic or self-operating.
Austria
In Latin, it means either/or. Can you give a context where you'd find it?
Aut Erickson died in 2010.
Aut Erickson was born in 1938.
Aut Schuller goes by Art.
Aut Even Hospital was created in 1912.
The Latin word for now is nunc
Chigwell School's motto is 'aut viam inveniam aut faciam'.
The cast of In Aut - 2012 includes: Marina Shimanskaya