The following excerpt is taken from “The Message of the Quran” by Muhammad Asad pg. 582:
SAY: “If all the sea were ink for my Sustainer’s words, the sea would indeed be exhausted ere my Sustainer’s words are exhausted! And [thus it would be] if we were to add to it sea upon sea.” 105
Lit., “if We were to produce the like of it (i.e., of the sea] in addition”. It is to be noted that, as pointed out by Zamakhshari, the term al-bahr (“the sea”) is used here in a generic sense, comprising all the seas that exist: hence, the expression “the like of it” has been rendered by me as “sea upon sea”.