disce verum laborem
Disce quasi semper victurus; vive quasi cras moriturus is a Latin translation of a saying attributed to Mohandas Gandhi: "Learn as if you were to live forever; live as if you were to die tomorrow."
Spectant in Latin means they watch or they are watching.
disce pati
It is pronounced "ECK-kay."
In classical Latin, the letter c was always pronounced "hard" - like k. So "Caesar" was pronounced Kai-sar, not See-zar as it is today. The combination "sc" was always pronounced "sk" in Latin.
In ecclesiastical or italianate Latin it is pronounced "soos-chi-pay". In classical Latin it is pronounced "soos-kee-pay"
'Vox' is the Latin equivalent of 'voice'. According to the classical Latin of the ancient Romans, it's pronounced wohks. According to liturgical Latin, it's pronounced vawks.
campione
In Latin it is pronounced (lee-bra).
Your question implies that there is only one diphthong in classical Latin. There are actually six:ae is pronounced as in English highau is pronounced as in English howei is pronounced as in English dayeu is pronounced e-uoe is pronounced as in English boyui is pronounced u-i
The word 'auctoritas' is pronounced as owk-TAWR-ee-tahss, in classical and liturgical Latin. The Latin word is a feminine gender noun. It means 'authority'.