{Shall not doubt in his heart} (m(8820)diakrith(8869) en t(8869)
kardi(8369) autou). First aorist passive subjunctive with hos an.
The verb means a divided judgment (dia from duo, two, and
krin(935c), to judge). Wavering doubt. Not a single act of doubt
(diakrith(8869)), but continued faith (pisteu(8869)). {Cometh to
pass} (ginetai). Futuristic present middle indicative.