‘Who can bring a clean thing out of an unclean?  not one.’
—Job 14:4

‘Then said Mary unto the angel, How shall this be, seeing I know not a man?
‘And the angel answered and said unto her, The Holy Ghost shall come upon thee, and the power of the Highest shall overshadow thee: therefore also that holy thing which shall be born of thee shall be called the Son of God.’
—Luke 1:34 & 35

‘But Jesus beheld them, and said unto them, With men this is impossible; but with God all things are possible.’
—Matthew 19:26