Mercury represents communication, Cartesian and logical spirit.
Mercury in Pisces
Fertile imagination, kind, good. Capable and flexible mind, but a little artificial.
Weaknesses: melancholy, gullibility. Tendency to illusions, fears and apprehensiveness.
Mercury in X
His home and comfort are the only things important for him. He is intelligent and speaks easily and cogently. Easily keeps many irons in the fire and concludes his activities. Moves house a lot for business reasons.
362 Conjunction Sun - Mercury
He is intelligent and knows what he wants. Is a good organizer, he likes moving, travel. He likes literature.
242 Conjunction Mercury - Jupiter
He is intelligent, has big ideas: he is tolerant and has a strong sense of justice. He has good judgement, good sense and has his feet on the ground. He has the \"gift of the gab\", and likes to speak, he also likes literature. He is erudite and will normally be successful socially.
53 Conjunction Mercury - Uranus
He is perspicacious, ingenious: he binds intelligence and originality together with genius. He likes literature, especially fiction. He is spontaneous in his friendships and knows how to take advantage of the situations that arise.
-51 Square Mercury - Ascendant
He likes to criticize, to gossip. Frequently arguing, he is nervous but also disturbed. He looks out too much for a verbal battle, and is provoking.