During the influence of Gemini, there are numerous exercises to develop ourselves spiritually.
Gemini is an air sign and is in the house of Mercury.
"The lords of Mercury are now teaching mankind how to travel in the astral body. Thus, inevitably, the disciple must be concerned with learning how to travel in the astral body. The authentic schools of mystery are found in the astral plane. This is why it is necessary for the disciple to learn how to “separate” the astral body from the physical body. It is necessary for the student to learn how to enter into those sanctuaries of inner instruction in order to receive direct instruction from the masters of the great White Lodge. The time has arrived for students to learn how to enter those sanctuaries in the astral at will in order to receive direct teachings from the great instructors. The hour has arrived to abandon theories and go directly to what is practical. The lords of Mercury assist all those who ask for help...
"The disciple lies down horizontally on his bed, relaxes his body and takes five breaths of air with the intention that the light enters into his lungs and bronchi. He will then open his arms and legs with each inhalation and will close them with each exhalation.
"Then, seated on a comfortable chair, he will [meditate and] ask his Innermost to take him to the constellation of Gemini, to the sidereal gods of those temples, so that they will prepare his organism for practical magic." —Practical Astrology by Samael Aun Weor