7514. 'And Pharaoh's heart was stubborn' means obstinacy, as previously in 7272, 7300, 7305.

7305. 'Pharaoh's heart is inflexible; he refuses to send the people away' means that they were obstinately determined not to leave those whom they were molesting. This is clear from the meaning of 'heart is inflexible', also 'unyielding' and 'hardened', as obstinacy, as above in 7272, 7300; from the meaning of 'refusing to send away' as not leaving; and from the representation of 'Pharaoh', about whom these things are said, as those who engage in molestation, dealt with previously.