What is spirituality? In simple words, it is knowledge of God, not an intellectual knowledge but an illumined personal experience of the supreme.
Spirituality teaches us to look within. Even as there is an expanding universe outside of us, there is a larger and more wonderful universe within us of which we are not aware. One day, when our bodies drop down dead the outer universe will vanish. Our inner self will remain: it is timeless and eternal.
Spirituality is like infinity: it encompasses so many aspects, so many approaches that each of us must choose that which suits us best.
Spirituality begins with the quest to know the self; and this quest is endless in itself.
Spirituality, like faith, is a very personal concept. Atheists deny it; agnostics speculate about it in a detached manner; I do believe that there are thousands of people who practice some form of spirituality in their daily lives—through inner reflection, contemplation or even through silence and service—without actually codifying their behaviour.
The purpose of this human birth is to free ourselves from this vicious cycle. We may imagine that under the illusion that freedom is the ability to fulfil all our desires and satisfy all our sensual cravings: let us understand that all this is only going to shackle us deeper and deeper in bondage.