So, what does penetrating the veil truly entail?

[Tenet Nosce]

There are two basic energies which angels have to offer. One is the simple energy of love itself and the other is a feeling of safety, which could be called a healing energy.

If this is true, then it would seem that angels are only useful to those who have not learned to call these energies from within.

I would say your intuition is correct in connecting the two. So, why not make them the same thing?

Yes, that would make sense as the next logical step. Energy of love and safety. Safety I think is a proxy for wisdom... assuming that a feeling of safety is one of the results of becoming wise. So we have love/wisdom as two counter-rotating spirals.

An entity's ability to perceive itself as Creator is proportional to the degree that these two spirals are observed to be emerging outward, or dispersed from the body. Conversely, to the degree that these two spirals are observed to be collapsing inward, or collected to the body, an entity will perceive itself as Creation.

Therefore, an entity which receives light and love from angelic beings becomes, to a degree, a creation of those beings, and will not be able to rise above (ascend) the level of the angels. If we are the Creator, then the angels are our creation, and are sustained by our love and light, not the other way around.