One doesn't discover new lands without consenting to lose sight, for a very long time, of the shore.
On ne découvre pas de terre nouvelle sans consentir à perdre de vue, d'abord et longtemps, tout rivage.
Original text (French)
Notes from Wikiquote
Les faux-monnayeurs [The Counterfeiters] (1925) | Often misquoted as "Man cannot discover new oceans unless he has the courage to lose sight of the shore." | Frequently misattributed to Christopher Columbus.