Now or never

//ˌnaʊ‿ə ˈnɛvə// adv

Definitions

Adverb
  1. 1
    At this sole opportunity or time, or not at all. idiomatic, not-comparable

    "[A]s you tender the welfare of your country, I entreat you not to forget or delay so public-spirited a work. Now or never is the time."

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