The blessed Buddha once said: Bhikkhus, friends, there are these 5 abilities (indriya). Which five?
The ability of faith, The ability of energy, The ability of awareness, The ability of concentration, The ability of understanding.
And how and where, Bhikkhus and friends, is the faith ability to be found? Among the four factors of stream entry!* The faith ability is to be found there. And how and where, Bhikkhus and friends, is the energy ability to be found? Among the four best efforts! The energy ability is to be found there. And how and where, Bhikkhus and friends, is the awareness ability to be found? Among the four foundations of awareness! The awareness ability is to be found there. And how and where, Bhikkhus and friends, is the concentration ability to be found? Among the four jhanas! The concentration ability is to be found there. And how and where, Bhikkhus and friends, is the understanding ability to be found? Among the Four Noble Truths! The understanding ability is to be found there.
--- Comments: Quite logical actually & naturally. Note all 5 abilities are rooted in 4 aspects. Like a ship having 4 anchors, one in each direction, lies all still, not drifting an inch.
* 4 factors of stream entry are: Having a Noble friend. Hearing the True Dhamma. Reflecting on this Dhamma. Training according to this Dhamma.
