Hurt
'To hurt,' as mentioned in Revelation 6:6, signifies violation and profanation.
In Revelation 9:4, this signifies perverting the truths and goods of the church by crafty rationalizations from sensory scientific facts and fallacies.
'To be hurt of the second death,' as mentioned in Revelation 2:11, signifies sinking under evils and falsities from hell.
(References: Apocalypse Explained 9 [4]; Apocalypse Revealed 316)
Flight on the Sabbath
In Matthew 24:20, this signifies removal from the good of love and innocence in a state of too much heat -- heat being external holiness when self-love and love of the world exist inwardly. (Arcana Coelestia 3755[2])