Taxes 
To dream of yourself paying your taxes is an indication that you will soon see great success over those who have sought to harm you or your reputation.
To dream that you do not have the means to pay your taxes is an indication that your current business venture will not succeed.
Vision
To dream that something has obstructed your vision is symbolic of the trouble you are facing in your waking life due to poorly made choices. To see strange visions within a dream foreshadows difficult times to come, such as illness or poor fortune.
Alchemy
To dream of alchemy indicates that your life is surrounded by struggle, a change from within, or a rebirth of the self. Though this period will be unnerving and tough, the end result will be wonderful.
Pharmacy
To dream that you are in a pharmacy points to a need to improve your outlook and attitude. Try to be self-reliant.
Education
To dream that you desire an education indicates your wish for intelligence so you can elevate to a higher plane than those around you. You will rise above those you deal with everyday.
Scientist
To dream that you are a scientist symbolizes your desire to try new things and express your individuality.
Geography
To dream that you are studying geography indicates that you will travel frequently in the coming months and years.
Librarian
A librarian in a dream is a guide to yourself. A library contains vast information which may represent aspects of yourself or your own knowledge or memories. The librarian in a dream can help you to navigate a search within this information in order to grow and learn from yourself.
Black Hole
Dreaming of a black hole generally symbolizes fear, specifically a fear of disappearing or being forgotten.
Alternatively, dreaming of a black hole can also represent a place to put things you want to forget or erase, such as guilt, sadness, or other negative feelings.
Electricity
To dream of electricity indicates the power created by life. You might require some recharging of your own batteries.
To dream that you have lost electricity suggests that you don't have the proper foresight or vision about a particular circumstance.
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