“You cannot discover new oceans until you are willing to lose sight of the shore.”
“Man cannot discover new oceans unless he has the courage to lose sight of the shore.”
“Man cannot discover new oceans unless he has the courage to lose sight of the shore for a very long time.”
“You cannot swim for new horizons until you have courage to lose sight of the shore.”
“You can never cross the ocean until you have the courage to lose sight of the shore”
“They say in old stories that you can't discover new lands without losing sight of the shore for a long time.”