43a See S. D., I, 98, 99, 100, 103. 
1. The root of life was in every drop of the ocean of immortality.  Every atom in matter was impregnated with the life of the Logos.
2.  The ocean was radiant light, which was Fire, Heat, Motion.  These three are the subjective life manifesting objectively.  Fire:  The essence of the first Logos.  Electric fire.  Spirit.  Heat: Duality.  The essence of the second Logos.  Solar fire.  The Son aspect.  Consciousness.  Motion: The essence of the third Logos.  Fire by friction.  Matter.
THE MACROCOSM
First Logos     Fire     The will to live or to be.  Electric.
Second Logos     Heat     Duality, or love between two.  Solar.
Third Logos     Motion     The fire of mind, the relation between.
     Fire by friction.
     This is the subjective expression.
 
The Sun     Will or power.
Venus-Mercury     Love and Wisdom.
Saturn     Activity or intelligence.
     This is the objective expression.
 
THE MICROCOSM.
The Monad     Electric fire     Will or power.
The Ego     Solar fire     Love and wisdom.
The Personality     Fire by friction     Activity or intelligence.
     This is the subjective expression.
 
The mental body     Will or power     Fire.
The astral body     Love-wisdom     Heat.
The physical body     Active intelligence     Motion.
     This is the objective expression.
Physical body.
The brain     Monad     Will or power.  Electric fire.
The heart     Ego     Love-wisdom.  Solar fire.
Lower organs     Personality     Active intelligence.