if you knew I was not _ if you knew that I was _

"if thou knewest I was" - ggl
? that I was weak, that I was not ___ //tht bible. ~ no.. / tht Gerard Manley Hopkins ~no... but finally w 'I was weak' got it (bcs: "knew'st") , was still thinking GMH but no it is:
Carlos Drummond de Andrade, trans Elizabeth Bishop. Seven-Sided Poem
My God, why hast Thou forsaken me
if Thou knew'st I was not God,
if Thou knew'st that I was weak?