And the woman conceived. Not for the first time, as appears from Exodus 2:4, nor even for the second, as we learn from Exodus 7:7; but for the third. Aaron was three years old when Moses was born. As no difficulty has occurred with respect to him, we must regard the edict as issued between his birth and that of Moses.
When she saw that he was a goodly child. Perhaps Jochebed would have done the same had Moses been ill-favoured, for mothers have often loved best their weakest and sickliest; but still it nard-rally seemed to her the harder that she was called upon to lose a strong and beautiful baby; and this is what the writer means to express — the clauses are not "simply co-ordinate."
She hid him — i.e, kept him within the house — perhaps even in the female apartments. Egyptians were mixed up with the Israelites in Goshen — not perhaps in any great numbers, but still so that no Hebrew felt himself safe from observation.