Looking for. App-133. See Luk_3:15 (be in expectation).
hasting unto = hastening. Greek. speudo. Elsewhere intransitive. Luk_19:5. Act_22:18; &c. Man can neither hinder nor advance the kingdom of God. But here the meaning is "Looking for, yes and earnestly looking for, the coming of the day of God".
wherein = on account of (App-104. 2Pe_3:2) which (plural)