Why seek a doctrine? As soon as you have a doctrine, you fall into dualistic thought.
Our original nature is...void, omnipresent, silent, pure; it is glorious and mysterious peaceful joy - and that is all. Enter deeply into it by awakening yourself.
To make use of your mind to think conceptually is to leave substance and attach yourself to form
By the dharma is meant the heart, for there is no dharma apart from the heart.
Observe things as they are and don't pay attention to other people.
Here it is - right now. Start thinking about it and you miss it.