Vous avez cherché: si potest somnia (Latin - Anglais)

si potest pecuniam eum,tu non potes semper eum
if you can trust him,you can't befriend him

exsurgent enim pseudochristi et pseudoprophetae et dabunt signa et portenta ad seducendos si potest fieri etiam electo
for false christs and false prophets shall rise, and shall shew signs and wonders, to seduce, if it were possible, even the elect.

et quia hoc ad lesionem fidei pertinet, sicut publica pestis hereticaexpellenda, sic occulta languentium passio, si potest fieri, remediis medicina libus est curanda
and because this pertains to the harm of the faith, just as the public heretical plague is to be expelled, so the hidden suffering of the sick, if possible, is to be cured by primary remedies