“Gather all into one,” my old Zen teacher used to say.
Then I thought he was referring only to how to sit zazen: how to bring your concentration to one-pointedness during seated meditation. Now I know that he intended much, much more: he was urging us to take all our energies, all our aspirations and to pour and pour and pour our everything into understanding directly, completely–and only–What We Ultimately Are.
Nothing else matters, nothing but This. In this connection, plunge headlong into what the great Chan master Huang Po tells his monks: “Attach yourselves to nothing beyond the pure Buddha-Nature which is the original source of all things.”