Who said "I shall remain at my post for as long as duty demands."?

This quote is attributed to Captain Smith.

I shall remain at my post for as long as duty demands. - Captain Smith

"I shall remain at my post for as long as duty demands."

Captain Smith

"I believe the ship is as unsinkable as any ship ever built."

"One must always maintain proper decorum, even in the most challenging circumstances."

"The sea commands respect from all who venture upon her waters."

"A captain's duty is to his ship and his passengers, above all else."