Having realized it, you cannot prohibit others from cultivation it.
Having realized it, you cannot destroy it, because it is indestructible. Nothing can destroy it.
It is impossible to stop others fro realizing it because one who cultivates it will realize it himself.
Once having realized, it is impossible to destroy because it is so all the time.
Man himself is religion.
Dhamma is in man. Man is Dhamma.
The ancients said, “heaven or hell is in the mind, so is Niravana (the extinction of all defilements and suffering).”

Where is the mind?
Have you ever seen the mind?
If you have never seen it, you should practice until you know what the mind is.
Hell is mental suffering or unhappiness. When if fades away , we are in heaven. Whenever anger recurs, we then revert to hell.
The Buddha-nature is the mind that is clean, clear, calm, pure, bright and quick. This kind of mind exists in everybody without exception.

Water and mud are not the same thing. It is the mud that makes the water look turbid, but the water itself is clear. Our mind is the same. If we realize this, we will gradually follow the Path. The Buddha-natures is the mind that is clean, clear, calm and pure. When the mind is pure, the mud cannot pollute the water any more. When the mind is bright, the mud will transform into sediment and break through the bottom. When the mind is quick, it is light and can see everything.

The Mundane Dhamma (Worldly Truth) and the Transcendent Dhamma (Ultimate Truuth) are in co-existence. If we really realize the latter, then we can distinguish them from each other. If we do not realize it, we cannot make a distinction.

The Dhamma that made Siddhartha become an Arahant or the Buddha existed prior to him. It is the neutral mind that exists at the moment (neither being happy nor sad).

While you are listening to me now, how is your mind?
Are you conscious of this state of mind?
If you are conscious of this neutral mind, this is what we call calmness. You can work. Talk ot think anything, This kind of mind requires no effort.

It can be easily taught, but one who dose not understand it tends to make something easy unnecessarily difficult or something simple to be complicated.

This neutral mind (is natural and) requires no effort.
Everybody has this kind of mind, but we have never looked before. It is called Upekkha [Equanimity]

Man is born to think. He thinks this and that endlessly.
Thoughts flow all the time like a stream.
Thought is the quickest thing. It is quicker than lightning or anything.
Suffering arises because we do not see thought. Thought itself is not suffering. When thought arise, we do not see, know and understand if simultaneously, so greed, anger, or delusion arises and brings us suffering.

In fact, there is no greed, anger of delusion. They occur because we do not see “ the source of mind”.

So let us cultivate self-awareness. When thought arises, we see, know and understand it. It is Sati-Samadhi-Panna (Awareness-Attention-Insight). We call it “self-awareness”. Whenever we are aware, thought cannot concoct. If we do not see it, it will concoct endlessly.

This method is the shortest way to Sudden Enlightenment.