I still don't understand how you innately know which parts of the Bible are literal and which are poetical or simile.
Recognising similes are easy in the bible, because the author will describe a person or people, to something else.
The one you already know, when comparing Abraham' descendants to the numbers of stars. The other was comparing number of descendants to the uncountable number of dust.
One of the most often used in similes, when comparing a person's physical characteristics or personality or action to that of animals.
he examples of using animals in Genesis, would be chapter 49, when Jacob gave his blessings to his sons. Some of his sons were compared to animals, like Judah with lion, Issachar with a donkey , Dan as a viper, Naphtali as doe, and Benjamin as a wolf. Joseph was not compared to animal, but to plant, like vines that climb over walls. And Reuben was described as turbulent water.
Similes are often used in poems, but in the bible they are found frequently in allegories, visions, revelation and prophecies.
For instance, in Isaiah 14, the author compared the king of Babylonia to the morning star, and his empire as stars.
You know that stars don't fall, and morning star is not a star, but the planet Venus. What Isaiah described as "fall", is actually when stars begin vanishing from view during dawn just before the sunrise.
What Isaiah were comparing the "morning star" and "falling stars", were Babylonian king at his empire, not satan and his followers, as interpreted by Christians. We have St Jerome to thank for when he translated morning star to Latin "lucifer", the morning star, which was later misused by medieval Christians to identify Lucifer with the Christian version of Satan, aka the Devil.
But I am getting sidetracked.
One of the ways to identify similes being used on someone or something, is when an author used the words - "like" or "as".
For instances, using a non-biblical examples, I can describe the famous sprinter Usain Bolt, like "
Bolt ran like the wind" or "
Usain runs like a cheetah". They are just similes of Usain being a a very quick runner; they shouldn't be taken literally, because Usain is not literally a cheetah or the wind.
But my points about Usain Bolt is that I used the words "like" in the two similes.
To give you another example of a simile, but this time not comparing a person or people to animals, plants, stars or elements (such frequently used fire, water, wind, etc), etc.
2 Peter 3:8 NRSV said:
8 But do not ignore this one fact, beloved, that with the Lord one day is like a thousand years, and a thousand years are like one day.
Do see here?
It used the word "like", twice in one verses (highlighted in red). Christians, especially creationists, have often taken this verse literally, when they shouldn't.
One day never equals to one thousand years.
A different translation to Peter's verse, like KJV, will use "as", not "like" as the operative word to describe the simile (again, highlighted in red):
2 Peter 3:8 KJV said:
8 But, beloved, be not ignorant of this one thing, that one day is with the Lord as a thousand years, and a thousand years as one day.
Now do you understand why similes shouldn't be taken as literals?
I have given sermons, studied the Bible, and have a religion degree from a secular university. Where did you learn what parts of the Bible are symbolic and what parts are similes?
When I was teenager, I didn't really understand similes when I first read the bible, most likely due to inexperienced.
It was when I first read Homer's masterpiece - The Iliad and The Odyssey. I was 20 at the time. Both epic poems frequently used similes to describe a Greek or Trojan warrior. Achilles for instance, was often compared to fire. In Book 5, the other Greek hero, Diomedes was compared to a wild boar, as he recklessly charged into Trojan rank, killing his enemies.
If you know about Diomedes' family history from other myths, his father was an exiled Calydonian prince in Argos, Tydeus, who painted and depicted a wild boar as his emblem on his shield, and his uncle Meleager, who killed the famous Calydonian Boar in the hunt.
So for similes of a wild boar to describe Diomedes, is not surprising.
When you read other epic poems, like Aeneid (about Aeneas after the Trojan War and his migration into Italy) or the Argonaitica (the adventures of Jason and the Argonauts), or any of the Greek tragedies, you'll pick up knack for recognising similes.