# XX explained — The Mysterious Island

> Chapter companion for The Mysterious Island by Jules Verne.

## What happens

The colonists face the winter season, focusing on survival and resourcefulness. They hunt seals for fat to make candles, build causeways, and improve their dwelling. A pivotal moment occurs when Herbert discovers a single grain of corn in his pocket, which Cyrus Smith calculates could yield a massive harvest over four years, symbolizing hope and self-sufficiency.

## Themes in this chapter

### Survival and Self-Reliance

The colonists demonstrate self-reliance by making candles from seal fat, building tools, and planning for future harvests.

### Science and Technology

Cyrus Smith applies scientific knowledge to calculate grain yield and to saponify fat for candle-making.

### Community and Cooperation

The group works together on tasks like the seal hunt, building causeways, and planting the precious grain.

## Character check-ins

### Cyrus Smith

Engineer who calculates the potential harvest from a single grain of corn and leads the candle-making process.

### Pencroff

Sailor who participates in the seal hunt and expresses amazement at the grain's potential.

### Herbert Brown

Young colonist who discovers the grain of corn in his pocket, sparking hope for future bread.

### Gideon Spilett

Journalist who emphasizes the importance of planting the grain with care.

### Neb

Servant who spends time smoking and salting meat, and helps with the seal hunt.

## Key lines

> A grain of corn? said the engineer, quickly. Yes, sir; but only one. That's a wonderful help, said Pencroff, laughing. The bread that grain will make will never choke us.

When Herbert shows a single grain of corn, Pencroff jokes that it won't produce enough bread to satisfy them.

_Highlights the initial disbelief in the grain's potential, contrasted with Smith's calculation._

> So then, if we plant this grain, we shall get from it a harvest of 800 grains; from them in the second year 640,000; in the third, 512,000,000; in the fourth, more than 400,000,000,000. That is the proportion.

Cyrus Smith explains the exponential growth of a single grain of corn over four years, astonishing his companions.

_Demonstrates the theme of science and the power of nature's multiplication._

> The castaways could always have succeeded in obtaining fire by some means or other; but no earthly power could restore that grain of corn, if, by ill fortune, it should perish!

Unlike fire, which can be recreated, the loss of the single grain would be irreplaceable, emphasizing its value.

_Shows the critical importance of the grain for future survival._

## Links

- HTML: https://www.betterreads.online/discover/the_mysterious_island_se/chapters/xx
- Book: https://www.betterreads.online/discover/the_mysterious_island_se
- All chapters: https://www.betterreads.online/discover/the_mysterious_island_se/chapters