Jiraiya weakens the seal on the Nine Tails in order to help Naruto learn how to control the Tailed Beast's power. Jiraiya recalls the words spoken to him years ago by the Great Lord Elder. He told Jiraiya that he would have a student, and that his guidance would decide whether the student would save the Ninja World or destroy it.
Itachi was able to perfectly master it
when he was about your age.
Itachi hatte diese Technik in
deinem Alter bereits gemeistert.
Itachi lo hizo perfecto cuando tenía tu edad.
Itachi lo hizo a la perfección
 cuando tenía tu edad.
Itachi alla tua età 
aveva già perfezionato questa tecnica.
Itachi conseguiu dominar essa técnica
perfeitamente na sua idade.