# Prophecy and Warning in The Purple Cloud

> Theme guide for The Purple Cloud by M. P. Shiel.

The character Mackay serves as a prophetic figure who warns against defying divine boundaries, echoing biblical themes of ignored warnings that precede universal catastrophe.

## Where it surfaces

- [Epigraph](https://www.betterreads.dev/discover/the_purple_cloud_se/chapters/epigraph): The epigraph directly invokes a Sibylline prophecy, establishing a theme of foreboding and inevitable doom.
- [The Purple Cloud](https://www.betterreads.dev/discover/the_purple_cloud_se/chapters/the-purple-cloud): The purple cloud fulfills earlier prophecies of doom for the polar expedition and humanity.
- [The Purple Cloud](https://www.betterreads.dev/discover/the_purple_cloud_se/chapters/the-purple-cloud): Mackay's sermons against the Boreal expedition serve as a prophetic warning, ignored by a world consumed by greed.

## Links

- HTML: https://www.betterreads.dev/discover/the_purple_cloud_se/themes/prophecy_and_warning
- Themes index: https://www.betterreads.dev/discover/the_purple_cloud_se/themes