When the experience of vedana - of pleasant, unpleasant or neutral feeling tone - is not clearly seen with wisdom, it tends to lead on towards craving and suffering. With mindfulness of feeling, we understand feeling's nature as impermanent, which leads us towards peace.
Though its role in the process of waking up is pivotal, intention is very subtle, rarely conscious, and outside the control of self. Purification of intention is made possible through calm awareness of the things we think/do/say, kindness, and non-judging.
