In a world that is constantly changing there is no one subject or set of subjects that will serve you for the foreseeable future let alone for the rest of your life. The most important skill to acquire now is learning how to learn.
You know I've learned a lot from every person I've collaborated with from Madlib to Jean Grae and Hi-Tek to Mos to DJ Quik to even somebody like Jermaine Dupri. I've taken something important away from every experience.