Everything, both success and failure, Divinity or animality, Yoga or non-attainment of Yoga, depends on the state, condition and quality of your own mind. As you think so you become.
By the practice of Kriya Yoga (practical spiritualism), it is very much possible.
The entire human system is represented in the Brain. Even though the eyes may be healthy, if a small area is damaged in the rear portion of the brain, you’ll be blind. Eyes are the external organs of sight, but the real experience of sight is inside in the internal organ of the brain.
Chitta means the Pure Consciousness or Principle of Awareness, devoid of all thoughts or mental modification. It is the basis of all life or Creation.
You have not lost your self confidence and awareness of your Inner Invisible Self or Real Self.
But the observation of the highly spiritual or God Realized persons or Saints are based on wisdom, truths of the spiritual knowledge.