A man without a goal is like a ship without a rudder.
— Thomas Carlyle

He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.
Leonardo da Vinci rudder quote

He that winna be ruled by the rudder maun be ruled by the rock.
— Scottish Proverbs

A soul without a high aim is like a ship without a rudder.
— Eileen Caddy

The ship of heaven guides itself and will not accept a wooden rudder.
— rudder quotation by Ralph Waldo Emerson