A thought is not what you think it is
There is no real distinction between a sensation and a thought. The distinction between a sensation and a thought is a thought. Implicit to a sensation is a reference which is a thought. Thought is integral to sensation.
A thought has no independent status. What you think are thoughts are a reference to sound. thoughts are heard. A thought is not an abstract, immaterial entity floating in some mental ether. It is a subtle internal sound, a mental audition. When we "think," we are actually listening to an inner voice (or inner noise) that references something. The semantic content ("I should eat lunch") is carried by, or perhaps identical with, the auditory image of the words. Strip away the heard quality, and nothing thought-like remains. What you thought were thoughts are actually thinks.
There is no silence. silence has no reference. A think of silence is not silence. If thoughts are heard references (auditory phenomena carrying "aboutness"), and if every sensation already carries implicit reference (a minimal directedness), then silence, by definition, has no reference. If reference is what makes any mental event register as experience at all, then silence cannot appear as silence within experience. The moment you notice "silence," you have already referenced it, you have heard the thought "this is silent" or felt the contrast against expected sound. That noticing is itself a subtle inner sound, a reference. Therefore, true silence has no place in the stream of experience. There is no silence.
In direct experience, whenever silence seems to arrive, it is instantly usurped by the thought "ah, silence..." and the auditory trace of that recognition. The purported silence was never truly there; it was a retroactive fiction created by the referencing thought.
The thought red is first a reference to the sound red and then the sound red is re-referenced to the color red. If you listen to a foreign language it sounds like bird chirping. There can be no variation without distinction. If there were truly no distinction whatsoever, variation would have nothing to vary from or against. It would be seamless, boundless, reference-free flux. Infinite invariance admits no boundaries, no contrasts, no detectable change. Variation that cannot be detected or referenced is experientially indistinguishable from no variation. It dissolves.
There is variation in distinction. Sensation carries implicit reference (distinction). Thought is heard sound (distinction). That distinction is never static; it varies. Therefore, there is no silence (no distinction = no variation possible). Foreign speech remains “bird chirping” with rich variation precisely because auditory distinctions are still operating and modulating.
By what means is the distinction made, if not by reference? It cannot be made by any other means. There is no direct, non-referential access to “the color itself.” There is no raw, pre-referential redness waiting to be distinguished. The very act that singles out “this particular red” is the referential act.
The appearance is by reference only. The reference and the referent are the same. there is no red without reference to red. Each reference is autonomous. In and of itself appearing with each appearance having complete autonomy.
Variation can only be made by reference. There is no actual variation. There is no reference to the re-referencing. That is just more re-referencing. Variation is a reference to re-referencing. Existence per se, is a reference to itself.
Continuity appearing through discontinuity. Any attempt to reference the referencing is without referent. Upon waking from a dream, what remains but a reference? The referent 'reality as more than this' is clearly a reference. Nothing further can be meaningfully referenced without becoming yet another example of the same mechanism.