“L'intelligence est parfois définie comme la capacité d'un individu à s'adapter à son environnement avec succès - ou à ajuster son environnement à ses besoins.”
En anglais : "Intelligence is sometimes defined as the capacity of the individual to adjust himself successfully to his environment, or to adjust the environment to his needs.” The intelligence of understanding yourself is challenging. It requires you to look deeply at both the good and the bad."