Answer:
Right attentiveness is a path that leading to the purification of beings, overcoming the emotions of sorrow or mourning, withering of pain or grief, etc.
Explanation:
Gautam Buddha, after his enlightenment, preached about his enlightenment and the way to attain moksha.
He created the noble eight-fold path that helps a person attain moksha.
Right attentiveness or mindfulness is the seventh of the eight-fold path. According to Buddha, there are four dimensions of this path, body, feelings, states of mind, and phenomenon.
A person who achieves this seventh fold path will be able to attain purification, overcoming emotions such as sorrow or mourning, pain, and grief withers away, etc.