A beautiful, simple and clear explanation of the “wildcard” path factor of Right Effort / enlightment factor of Energy and its key role in shaping of both Right Mindfulness (Samma-Sati) and Right Stillness / Convergence of Mind (Samma-Samadhi).
Ven. Ottama also has some interesting things to say about how samvega shapes one spiritual intelligence, and its role in the natural unfolding of the Path.
Effort -and- Natural Unfolding in Meditation, by Ashin Ottama
Hope you enjoyt it!