Jiraiya's Decision
Jiraiya is one of the legendary sannin's who died for the sake of the NINJA world. The person who was overtold a prophecy that He will, in the future have a student who will have the power either to bring order or bring chaos, and he would have to take a critical decision that would eventually influence the prophecy. As overtold he did have, but there were two of them Nagato and Naruto. He made the choice, he wished Naruto would fulfill the prophecy.