It is no use of arguing with the dualist and intellectuals because they are right on their own standpoint. The pursuit of truth interests only a few. The ultimate truth or Advaitic truth is not the product to sell in the spiritual supermarket. One should not to ‘throw Advaitic pearls before swine’.
That is why Jesus said: ~ Do not throw your pearls before pigs, lest they trample them underfoot and turn to attack you. (Matthew -7:6)
~ Jesus meant the knowledge of the Spirit or Self-knowledge should not be shared with unqualified people.
Jesus said:~"Those who seek should not stop seeking until they find. When they find, they will be disturbed. When they are disturbed, they will marvel, and will reign over all." (Gospel of Thomas 2)
Jesus said: ~”Know what is in front of your face, and what is hidden from you will be disclosed to you. (THE GOSPEL OF THOMAS- Saying 5)
The consciousness (Spirit) is the root element of the universe. From the consciousness, the universe comes into existence. In the consciousness, the universe resides. And into the consciousness, the universe is dissolved. The consciousness is the parent of all that is there is.
The urge to know the truth cannot be imposed on others. It has to sprout within. One need not become holy Shepard because the holy Shepard is within in to guide every seeker. If one is aiming to be a master, Guru or teacher, he will never reach his destination. One has to share his knowledge with the fellow seeker not to make them his followers but only direct them if they are interested to travel beyond form, time, and space.
It is foolish to impose our idea on others because everyone is not in the same level of understanding. Everyone's inner work is on. When they are ripe enough they will understand, assimilate and realize on their own. If they are ready and sharp enough they will grasp it instantly and they will reach their destination with lesser time and effort. Thus preaching, teaching is not wisdom, but by very careful reasoning, the seeker has to determine the nature of reality. Thinking in the right direction alone helps seeker determining the nature of the reality.