Mercury is the fastest planet and one of the smallest. It is closest to the Sun. Mercury is inventive, restless and curious. It stands for communication, media, thought, mobility, writing, and education. It is the symbol of youth, students, Intellect, speech, education, communication, writing, language, discrimination, logic, marketing, intelligence, understanding, knowledge, and civil servants.
It rules the third sign, Gemini, the sixth sign, Virgo, and the Third and Sixth Houses. It orbits the Sun every eighty-eight days, over four times a year.