"This "definition" also specifies the mental qualities that are instrumental for satipatthana: one should be diligent, clearly knowing, mindful, and free from desires and discontent."
"A flexible and comprehensive development of satipatthana should encompass all aspects of experience, in whatever sequence they occur...The sequence in which they are practiced may be altered in order to meet the needs of each individual meditator."
"The "definition" of right mindfulness is concerned with "contemplating". The corresponding Pāli verb anupassati can be derived from the verb "to see", passati, and the emphatic prefix anu, so that anupassati means "to repeatedly look at", that is, "to comtemplate" or "to closely observe"."