The one and only thing required is to free oneself from the bondage of mind and body alike, putting the Buddha's own seal upon yourself. If you do this as you sit in ecstatic meditation, the whole universe itself scattered through the infinity of space turns into enlightenment. This is what I mean by the Buddha's seal.
DogenThere are myriads of forms and hundreds of grasses throughout the entire earth, yet each grass and each form itself is the entire earth.
DogenWhen both body and mind are at peace, all things appear as they are: perfect, complete, lacking nothing.
DogenTo start from the self and try to understand all things is delusion. To let the self be awakened by all things is enlightenment.
Dogen