Changes

'''''Intermiscence of Desire''''' - The first cause of impurity in the understanding is the intermiscence of desire in the thinking functions, and desire itself is an impurity of the Will involved in the vital and emotional parts of our being. When the vital and emotional desires interfere with the pure will-to-know, the thought-function becomes subservient to them, pursues ends other than those proper to itself and its perceptions are clogged and deranged. The understanding must lift itself beyond the siege of desire and emotion and, in order that it may have perfect immunity, it must get the vital parts and the emotions themselves purified.

The will to enjoy is proper to the vital being but not the choice or the reaching after the enjoyment which must be determined and acquired by higher functions; therefore the vital being must be trained to accept whatever gain or enjoyment comes to it in the right functioning of the life in obedience to the working of the divine Will and to rid itself of craving and attachment.

Similarly the heart must be freed from subjection to the cravings of the life principle and the senses and thus rid itself of the false emotions of fear, wrath, hatred, lust, etc. which constitute the chief impurity of the heart. The will to love is proper to the heart, but here also the choice and reaching after love have to be foregone or tranquillised and the heart taught to love with depth and intensity indeed, but with a calm depth and a settled and equal, not a troubled and disordered intensity.

The tranquillisation and mastery (sama and dama) of these members is a first condition for the immunity of the understanding from error, ignorance and perversion. <ref>http://incarnateword.in/cwsa/23/the-purified-understanding#p9</ref>

'''''Intermiscence of the Sense-mind''''' - The second cause of impurity in the understanding is the illusion of the senses and the intermiscence of the sense-mind in the thinking functions. No knowledge can be true knowledge which subjects itself to the senses or uses them otherwise than as first indices whose data have constantly to be corrected and overpassed.

…the beginning of philosophy is the examination of the principles of things which the senses mistranslate to us; the beginning of spiritual knowledge is the refusal to accept the limitations of the sense-life or to take the visible and sensible as anything more than phenomenon of the Reality. <ref>http://incarnateword.in/cwsa/23/the-purified-understanding#p10</ref>