biology

Les Vraies Richesses

Les Vraies Richesses is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Les Vraies Richesses rather than just read about it. In short: Les Vraies Richesses (lit. 'The True Wealth'; Occitan: La Veritable Riquesa) is a 1937 book by the French writer Jean Giono. It is a celebration of the countryside, especially in the author's native Provence, which is contrasted with the city.

Key takeaways

Les Vraies Richesses belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Les Vraies Richesses to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Les Vraies Richesses from memory before moving on to harder problems.

Reference excerpt

Les Vraies Richesses (lit. 'The True Wealth'; Occitan: La Veritable Riquesa) is a 1937 book by the French writer Jean Giono. It is a celebration of the countryside, especially in the author's native Provence, which is contrasted with the city.

Background The writer Jean Giono had a breakthrough in the early 1930s with novels about the peasant population of his native Provence. He was displeased with city life and with machine society, which he linked to warfare. On 1 September 1935, Giono and a few other authors moved to a secluded area in the mountains near Manosque. The aim was to live close to nature, which Giono viewed as an extension of the human rather than a place for Romantic refuge.

Synopsis In Les Vraies Richesses, Giono lays out his personal worldview and how it has developed, from his rejection of Christianity's renunciation of the body and his view of man as a "cosmic element" among others. Starting with a walk through Belleville in Paris, he reflects on the city, money and roots. He criticises the city as a place where nature is enjoyed but not protected, where nothing is new and where there is a severe lack of freedom. He goes on to celebrate the countryside and Provence, praising the sun, rural landscape and local stories. He contrasts urban life, symbolised by money, with rural life, symbolised by wheat and bread, and portrays them as in conflict, promoting the countryside as central to all life.

Reception La Revue des lettres modernes published an edited volume about Les Vraies Richesses in 2010, as volume 9 of its Jean Giono series. In 2021, Samuel Piquet of Marianne called Les Vraies Richesses "an environmental manifesto" and "a book of astonishing modernity", which is both "questionable and sublime". He described Giono's ecological vision as radical, but of a different kind than current trends exemplified by Sandrine Rousseau, as Giono was unconcerned with bicycle lanes or tomatoes grown on Parisian rooftops, but rejected the city as a system that drains the countryside and perverts the farmer. Piquet described the book as "surprisingly vehement" due to its concern with life and death, but as sometimes naive in its idealised presentation of rural life, and said it lacks analysis of how the countryside would change if all Parisians actually moved there. Despite questioning many parts of the book, Piquet wrote that "Giono's language makes us accept all the tales as true".

Worked examples

Example 1 — a first encounter with Les Vraies Richesses

Start with the simplest possible case. Write down what Les Vraies Richesses claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Les Vraies Richesses before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Les Vraies Richesses ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Les Vraies Richesses

In research: Les Vraies Richesses appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Les Vraies Richesses in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Les Vraies Richesses is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1937 non-fiction books, Books about Paris, Ecology books, so understanding it makes those chapters shorter.
In everyday life: Look for Les Vraies Richesses outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Les Vraies Richesses in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Les Vraies Richesses means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Les Vraies Richesses out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Les Vraies Richesses in simple terms?

Why does Les Vraies Richesses matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Les Vraies Richesses?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Les Vraies Richesses.