Friends:

Where are the 5 Mental Abilities to be Found?

The Blessed Buddha once said:
Bhikkhus, there are these five mental abilities. What five?

The ability of Faith (saddhā)
The ability of Energy (viriya)
The ability of Awareness (sati)
The ability of Concentration (samādhi)
The ability of Understanding (pañña)

And where, Bhikkhus, is the ability of Faith to be seen & found?
The ability of Faith is found in the Four Factors of Stream-entry...
And where, Friends, is the ability of Energy to be seen & found?
The ability of Energy is to be found among the Four Right Efforts...

And where, Friends, is the ability of Awareness to be seen & found?
The ability of Awareness is found in the Foundations of Awareness...

Where, Friends, is the ability of Concentration to be seen & found?
The ability of Concentration is found in the Four Jhana absorptions...

Where, Friends, is the ability of Understanding to be seen & found?
The ability of Understanding is found among the Four Noble Truths...
These five qualities, Bhikkhus & Friends, are the 5 mental abilities!

Source of reference (edited extract):
The Grouped Sayings of the Buddha. Samyutta Nikaya.
Book [V: 196] 48 The Mental Abilities: 8 To be Seen..
 

For Details on & Origin of the Abilities (indriya) see:

http://What-Buddha-Said.net/drops/II/Origin_of_Abilities.htm

http://What-Buddha-Said.net/drops/II/The_4_Doors.htm

http://What-Buddha-Said.net/drops/What_is_Right_Effort.htm
http://What-Buddha-Said.net/drops/What_is_Right_Concentration.htm
http://What-Buddha-Said.net/drops/II/The_4_Noble_Truths.htm
http://What-Buddha-Said.net/library/DPPN/wtb/s_t/saddhaa.htm
http://What-Buddha-Said.net/library/DPPN/wtb/u_v/viriya.htm
http://What-Buddha-Said.net/library/DPPN/wtb/s_t/sati.htm

http://What-Buddha-Said.net/library/DPPN/wtb/n_r/pannaa.htm