Greed for enlightenment and immortality is no different than greed for material wealth. It is self-centered and dualistic, and thus an obstacle to true attainment. Therefore these states are never achieved by those who covet them; rather, they are the reward of the virtuous.
LaoziTo be brave without compassion, generous without moderation, and rule without refraining from being first in the world, are certain deaths.
Laozi