Ignorance means A vidya, the separative consciousness and the egoistic mind and life that flow from it and all that is natural to the separative consciousness and the egoistic mind and life. This Ignorance is the result of a movement by which the cosmic Intelligence separated itself from the light of the supermind (the divine Gnosis) and lost the Truth, -truth of being, truth of divine consciousness, truth of force and action, truth of Ananda. As a result, instead of a world of integral truth and divine harmony created in the light of the divine Gnosis, we have a world founded on the part truths of an inferior cosmic Intelligence in which all is half-truth, half-error. It is this that some of the ancient thinkers like Shankara, not perceiving the greater Truth-Force behind, stigmatised as Maya and thought to be the highest creative power of the Divine. All in the consciousness of this creation is either limited or else perverted by separation from the integral Light; even the Truth it perceives in only a half-knowledge. Therefore it is called the Ignorance.
    Falsehood, on the other hand, is not this Avidya, but an extreme result of it. It is created by an Asuric power which intervenes in this creation and is not only separated from the Truth and therefore limited in knowledge and open to error, but in revolt against the Truth or in the habit of seizing the Truth only to pervert it. This Power, the dark Asuric Shakti or Rakshasic Maya, puts forward its own perverted consciousness as true knowledge and its wilful distortions or reversals of the truth as  the verity of things. It is the powers and personalities of this perverted and perverting consciousness that we call hostile beings, hostile forces. Whenever these perversions created by them out of the stuff of the ignorance are put forward as the truth of things, that is the Falsehood, in the yogic sense, mithyii, moha.
I have not said that everything is falsehood except the supramental truth. I said that there was no complete Truth below the supramental. In the overmind the Truth of supermind which is whole and harmonious enters into a separation into parts, many truths fronting each other and moved each to fulfil itself, to make a world of its own or else to prevail or take its share in worlds made of a combination of various separated Truths and Truth- forces. Lower down in the scale, the fragmentation becomes more and more pronounced, so as to admit of positive error, falsehood, ignorance, finally inconscience like that of Matter.
But the Ignorance is only a portion of this World-Nature; it is not the whole of it, not the original power or creator: it is in its higher origin a self-limiting Knowledge and even in its lower origin, its emergence out of the sheer material Inconscience, it is a suppressed Consciousness labouring to find, to recover itself, to manifest Knowledge, which is its true character, as the foundation of existence. In universal Mind itself there are ranges above our mentality which are instruments of the cosmic truth- cognition, and into these the mental being can surely rise...