We are formed by the pressure of our experiences, and in this life we can see where experience does not always lead to truth. We can begin to see the relativity of experience and that penetration to the true core of life calls for something more.
We can gain great occult powers, have vast yogic skills, yet still have very little experience of God. We so often make the mistake of using spiritual practice to add to our greatness, to add to our own splendor at the level of the personal identity. Spiritual experiences become credentials like a resume. This only adds to the difficulty of hearing the voice of the divine within.
The essence of meditation is seeking the quietest point within ourselves, that point where one resigns to the inner presence of the divine, offering up what one has for the sake of love, with no promise of return or benefit. This resignation is the only true doorway to knowledge of the Self.