Your last sentence first, is quite ironic in actual fact. Your idea of truth is greatly distorted by your delusions of grandeur, your lack of proper education in the field, and your childish stubborness.
On the first sentence/paragraph, we observe many things about light....it is real...it is a quantum thingy with a dual nature......it is never at rest and donates the universal speed limit, and is totally constant at that limit.
We observed hundreds of years ago, that white light is composed of seven colours consisting of what we call a rainbow....we observe light to be a part of the EMS, that is conducive to sight.... we observe total dark/blackness to be the absence of EMR .....conversely we observe black to be the absence of colour or light