'If a man knows himself, he shall know God.' John Smith the Platonist.
'If you will know yourselves, then you will be known and you will know that you are the sons of the Living Father. But if you do not know yourselves, then you are in poverty and you are poverty.' The Gospel according to Thomas, Log 3
'Let me know myself, Lord, and I shall know Thee.' St Augustine
'I say, no man knows God who knows not himself first.' Eckhart
'Whosoever knows himself well knows his Maker.' 'Ali
'You ought to know yourself as you really are, so that you may understand of what nature you are and whence you have come to this world and for what purpose you were created and what your happiness and misery consist.' Al-Ghazali
Jesus said: Whoever knows the All but fails to know himself lacks everything. The Gospel according to Thomas, Log. 67
'He who knows himself verily knows his Lord.' Muhammad
"Father, forgive them, for they know not what they do." Luke 23:34