This section is from the book "Astrology In A Nutshell", by Charles Henry Webber. Also available from Amazon: Astrology In a Nutshell.
Every point in a circle is angularly related to every other point as is also every human being to every other human being or every spiritual or material thing to every other thing. This condition of unity, or oneness is God-spirit or power. The whole is known as the Macricosm and each part as the Microcosm, a single dot, or speck is the protoplast of the greatest circle. The dot of itself contains all the virtues of a great circle except quantity, as a speck of salt or sugar has all the quality of a barrel of salt or sugar. Every day in the circle of days, is of itself equal with any other day, and has an equal amount of the circle each side of it. We are therefore all born free and equal, so far as the circle of itself is concerned. If even pressure is brought to bear upon all points of a circle, then a circle, no matter how large or fine it might be, could not be broken. Certain points in a circle are called "points of least resistance" and others "of greatest resistance." We naturally move forward and towards things opposite to ourselves. If obstacles are in our path we move to the right or left, or else join forces with the opposite.
We look ahead, which is opposite to where we are, and our eyes are so focused that we see things in a range of vision like unto the V shape of a sign, or the two sides of a trine. When our sight in space has gone to the extent of the trine, then the space beyond forms the reverse, or antethesis of our trine, and there is where our opposition begins, and its view fades away in the distance until it becomes a mere dot, which equals our own position in space or in the great circle that is around us. We can see little about us so long as we stand with a fixed gase. This is the philosophy of what are termed Aspects in Astrology. All our relationships in life are like unto this illustration, so 180 degrees of a circle marks our opposite aspect, and 120 marks the trines, or outer points of our focus. To all other points we must turn to a greater or lesser extent In life, no matter where we may be, every point of the circle may be more or less focussed upon us. This by the ancients was termed the "All Seeing Eye."The aspects or points of greatest resistance to the gase from our own standpoint, we are apt to call evil, and from thence is derived the term the "evil eye." There is no evil, only from our relative position to the other points of the great circle of mankind, the unseen forces.
God is opposite to man, and but a mysterious speck to our gaze. When we move straight forward, wavering neither to the right nor the left, then we behold God "face to face," as the face of the earth to the face of the sky. God, then becomes to our view "good." The Sun represents the God-centre of the solar system because it is the most fixed of the bodies in it The Moon is the most changeable, hence under moon conditions, or aspects, with the planets, we are apt to be easily led from the straight and the narrow path.
While the moon to us is quite a distance from the earth, yet, as viewed from the Sun, it would be in the selfsame degree of the circle; hence from heliocentric standpoint the Moon is as useless in astrologic work as would be the moons of Jupiter from geocentric standpoint. Moon's aspects, then, must be judged from earth. As we cannot well judge from earth, without some object to judge by, the Moon becomes the best marker for the earth that we have. There must be some slight variations between the moon and earth and the other bodies. These variations are provided for in astrology by a figure called "Part of Fortune."In horary work, it is often found to be quite a factor in earthly matters.
 
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