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The gates of Hell are open night and day; smooth the descent, and easy is the way: but, to return, and view the cheerful skies; in this, the task and mighty labor lies.

Virgil (2015). “The Aeneid: "Illustrated"”, p.176, eKitap Projesi
The gates of Hell are open night and day; smooth the descent, and easy is the way: but, to return, and view the cheerful skies; in this, the task and mighty labor lies.