133. In the practice of zazen we become attentive, moment by breathing moment, to a process of transformation in the Dharma as we strive (without striving) to realise it in full. But in moving from one moment to the next, we find that we have to let go of the preceding moment in order to enter fully into the new and as yet unknown moment. At times, this practice of letting-go can be painful, even frightening. Trust and courage are called for.