Hebrews 6:1-6 speaks of salvation: Can you lose it, or are you eternally secure? Here I do an exposure explaining the different positions taken by the Roman Catholic Church, the Arminian position, the Calvin Position and the position of the author of the letter. It is quite interesting and enlightening.
Ezekiel 27 is a lament for Tyre.
Ezekiel 28 contains a proclamation against and a lamentation for the king of Tyre. It also has a proclamation against Sidon and there is still a future blessing for Israel.
Ezekiel 29 delivers a proclamation against Egypt, the bad news is that Babylonia will plunder Egypt.