 | What the Earth was like thousands of years ago?
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| Why are we here on Earth? |
| If there is life on another planet? |
| Where do living things go after they die? |
| Are there ghosts or spirits? |
| What is important about life? |
| What is our role in the world? |
| Where do I fit in the big picture? |
| What is beauty, truth, goodness? |
| Fundamental questions of existence |
