Why seek a doctrine? As soon as you have a doctrine, you fall into dualistic thought.

...Therefore it is said: 'The perception of a phenomenon IS the perception of the Universal Nature, since phenomena and Mind are one and the same.'

A perception, sudden as blinking, that subject and object are one, will lead to a deeply mysterious understanding; and by this understanding you will awaken to the truth.

'Studying the Way' is just a figure of speech, a method of arousing people's interest in the early stages of their development. In fact, the Way is not something which can be studied. Study leads to the retention of concepts, and so the Way is entirely misunderstood

On seeing one thing, you see all things. On perceiving an individual's mind, you perceive all mind. Glimpse one truth, and all truth is present in your vision, for there is nowhere at all that is devoid of the Truth.

Observe things as they are and don't pay attention to other people.

There exists just the One mind.