Mater ridet et dicit nullum e liberis ignavum esse, quamquam unusquisque quietem cupiat.

Because nullum e liberis means not one of the children or none of the children.

Latin often expresses none of the X as a singular idea: literally, not one out of the children. So nullum is singular, not plural.

That is also why ignavum is singular: it agrees with nullum.

Because nullum is in the accusative singular masculine.

After dicit, Latin normally uses an accusative + infinitive construction for reported speech:

• dicit = she says
• nullum ... ignavum esse = that no one is lazy

In that construction, the subject of the infinitive goes into the accusative. So:

• nominative would be nullus
• accusative is nullum

For the same reason: they are both inside the indirect statement after dicit.

In nullum e liberis ignavum esse:

• nullum is the subject of esse in the accusative
• ignavum is a predicate adjective agreeing with nullum, so it is also accusative singular masculine

This is a standard Latin pattern after verbs of saying, thinking, knowing, hearing, and so on.

Because Latin expresses reported statements after dicit with an infinitive.

So instead of something like:

• Mater dicit: nullus e liberis ignavus est

the sentence changes into indirect statement:

• Mater dicit nullum e liberis ignavum esse

The infinitive esse is the normal way to say that ... is in this construction.

It means from among the children or of the children.

The preposition e/ex takes the ablative, so liberis is ablative plural.

This is a common partitive idea:

• nullum e liberis = no one from among the children
• more naturally in English: none of the children

Also, e and ex are just two forms of the same preposition. E liberis and ex liberis would both be possible.

Yes.

The noun liberi, liberorum is a common Latin word meaning children (often specifically one's children).

So e liberis means from among the children.

This is different from:

• liber = book
• liber, libera, liberum = free

Latin learners often notice the spelling overlap, but here the meaning is clearly children.

Because unusquisque means each one or each individual one.

Even though it refers to several people in total, grammatically it treats them one by one. So it is singular, and it takes a singular verb.

That is why:

• unusquisque ... cupiat

not:

• unusquisque ... cupiant

Because it is the direct object of cupiat.

The verb cupere takes an accusative object:

• quietem cupere = to desire rest

So:

• quietem = accusative singular
• object of cupiat

That is a very good question.

In classical Latin, quamquam most commonly takes the indicative, especially when the writer is presenting the concessive statement as a straightforward fact.

So if you expected quamquam unusquisque quietem cupit, that is a very reasonable expectation.

Here, cupiat is subjunctive, which gives the clause a slightly less plain-factual, more concessive or generalized feel, something like:

• although each one may desire rest

So the sentence is understandable, but if you have learned the rule quamquam usually + indicative, your instinct is correct. In very strict classical prose, the indicative would be more regular.

Grammatically, nullum e liberis ignavum esse is the direct object of dicit as an accusative-and-infinitive clause.

The quamquam clause is a separate subordinate clause with its own finite verb:

• quamquam unusquisque quietem cupiat

That means it is not turned into an infinitive. It functions as a concessive clause attached to the whole statement.

In practice, context decides how you hear it:

• it may reflect the mother's point of view
• or it may sound like the narrator's concessive comment

The grammar itself does not force a sharp distinction here.

Because Latin word order is much freer than English word order.

English depends heavily on position to show grammar. Latin depends much more on endings, so the author can arrange words for emphasis or style.

Here the order highlights important ideas:

• nullum comes early for emphasis: no one
• e liberis clarifies the group: among the children
• ignavum esse completes the indirect statement

So the sentence is not random; it is flexible, but still purposeful.

Yes. Latin often has more than one natural way to express the same basic idea.

For example, instead of nullum e liberis, Latin could also use other ways to express none of the children, depending on style and period.

But the form here is perfectly recognizable and teaches two very common patterns:

• accusative + infinitive after dicit
• e/ex + ablative to mean from among

So it is a useful sentence for learning standard Latin syntax.