The Buddha was talking with Uttara, a young pupil of the bhramin Parasariya:
-Uttara, does Parasariya teach you how to develop your faculties?
-Yes, Master Gotama, he does teach us how to develop our faculties
-How does he do...
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Powerful men are well advised not to use violence,
For violence has a habit of returning;
Thorns and weeds grow wherever an army goes,
And lean years follow a great war.
A general is well advised
To achieve nothing more than his orders:
Not to take advantage of his victory.
Nor to glory, boast or pride himself;
To do what is dictated by necessity,
But not by choice.