Intelligence must be cultivated, not trained. What does this sentence mean?

Intelligence must be cultivated, not trained. This sentence means that intelligence must be cultivated, not trained. Details are as follows:

1, bred(breed past participle)

type

English? 【bri？ Is it beautiful? 【bri？ d】？

Verb (abbreviation for verb) animal reproduction; Mating (of animals); Cultivate (animals and plants) (for a certain purpose); Cultivation; Breeding; The proliferation of fissile material (by nuclear reaction).

Variety; The type or kind of person or thing; Breeding; Reproduction.

Phrases:

Rare species? Very rare; Rare species.

Breed out? Be eliminated in artificial reproduction.

Purebred? purebred

Example:

What? Used? Where to? Variety? A dog? For what? Police. ?

He used to keep dogs for the police department.

2, must

English? 【m？ ST； m？ Is it beautiful? 【m？ ST； m？ Saint]?

Auxiliary. (auxiliary) must; Affirmation; Should, have to.

(noun) something absolutely necessary; Grape juice to be fermented; Moldy and damp.

Phrases:

Must be? Affirmation; Be sure; It must be.

There must be? Must have; It must be.

It must be. Be sure of (a positive guess of past facts).

Example:

Me? Is it necessary? Telephone? My parents. ?

I must call my parents.

Breeding synonyms

raise

English? [? n？ Kerry? s； ? Kerry? s； nkri？ Is it beautiful? [? n？ Kerry? s； ? Kerry? s； nkri？ s】？

Verb (abbreviation of verb) (verb) is added; Increase; Improve; Enhance.

(noun) increase; Increase; Grow up.

Phrases:

Increase? (cause) to increase; (cause) to increase ...

Increase production? Increase production.

How much more? Increased; Increase.

Example:

Price? Will. Increase? In proportion. ?

The price will increase accordingly.