Add punctuation: And according to the scepticalmethodological motto lack of proof means proof of nonexistence and consequently that Moses is a mythical figure being staged because of religionpolitical circumstances probably invented by a Jewish priesthood in the centuries prior to the beginning of our calendar
A: And according to the sceptical-methodological motto, lack of proof means proof of non-existence, and consequently that Moses is a mythical figure being staged because of religion-political circumstances, probably invented by a Jewish priesthood in the centuries prior to the beginning of our calendar.

Add punctuation: Many good ideas need many small steps towards their realization
A: Many good ideas need many small steps towards their realization.

Add punctuation: 31 These are the sons of Shem after their families after their tongues in their lands after their nations
A:
31 These are the sons of Shem, after their families, after their tongues, in their lands, after their nations.