One of the most exciting elements for fans of any sport is seeing a prodigious youth develop and reap the staggering potential he's had at his disposal.
The football world is littered with contenders, guys who, for one reason or another, never reached that potential, never got the chance to fulfill the dreams that they and their supporters shared so intimately.
But the opposites of that are the players who come through and really change the sport.
People of a certain age still talk about the unknown kid Brazil were going to unveil in 1958, who would end up changing the football world forever. Anyone who saw Diego Maradona juggle the ball at half-time at the Bombonera as a child knew from that very moment that the football world would never be the same again.
The same can be said of Cristiano Ronaldo's 20-minute debut against Bolton, Lionel Messi terrorising teams at La Masia and Johan Cruyff and George Best learning their trade on the streets of Amsterdam and Belfast, respectively.
In each and every case, the lucky few who bore witness to the skill in front of them reached the football equivalent of an epiphany.
Things have not changed that much, and the football world still produces talents that can make a grown man cry.
Here are 10 of the football world's best teenage prodigies, ones who are destined to succeed but of whom, unless you're a fan of the team in question, you may not have heard—yet.