* A Captain in the military: Each branch of the military has its own motto, but there is no overarching motto specific to all Captains.
* A Captain of a ship: The motto of a ship captain would depend on the specific ship and its mission.
* A Captain of a sports team: The motto of a sports team captain might be specific to that team or their personal leadership style.
* The Captain of a fictional character: There are many fictional characters who have the title "Captain," each with potentially different mottos.
Can you tell me more about which Captain you are referring to?
For example, are you interested in:
* The Captain of a specific ship or organization?
* A specific fictional Captain?
* A Captain in a specific branch of the military?
Knowing this will help me give you a more specific and helpful answer.