The thing is Effort and Concentration are easy to have, the reason being that they arise with both kusala and akusala:
here is the descrption of (viriya)Effort in the Abidhamma:
We read from the Dhammasangani (376):
Sounded nice until that last phrase didn't it. That is what wrong effort is.Katamam tasmim samaye viriyindriyam hoti? "What at that time is the faculty of effort/energy/endeavor?" "That which is mental endeavor (viriyarhambo), riddance of lethargy, exerting harder and harder, endeavoring higher and higher, striving, painstaking zeal, utmost exertion, steadfastness, resoluteness, unfaltering endeavor, having sustained desire (chanda) to strive, not relinquishing the task, discharging the task well, effort (viriya) as the faculty of effort, power of effort, WRONG effort -- this at that time is the faculty of endeavor."
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Or Concentration:
'"------------As the Dhammasangani makes clear such factors as sukkham (mental ease) and samadhi do not neccesarily mean anything auspicious- it may in fact be only purified lobha: ""What on that occasion is ease (sukkham) the mental pleasure, the mental ease which on that occasion is pleasant, easeful experience born of contact ...What on that occasion is ekaggatta. The stability, solidity, absorbed steadfastness of thought which on that occasion is absence of distraction, balance, unperturbed mental procedure, quiet, the faculty and the power of concentration, WRONG concentration .
However, because these wrong concentration states are much less distracting and concentrated than the normal 'distracted"daily life they are naturally attractive and thus deceiving.
Now right effort and right concentration have the same descriptions. But without wisdom factor it is impossible to know the difference.
That is why it makes sense to me to put energy into learning what the Buddha said and to understand the value of patience in regard to the path.