In the seventh lecture of the Astrology course, the zodiacal sign Libra (Sept 23 - Oct 23) is explained. Quoted from the lecture: "Libra is the sign of the balance. The symbol of Libra is a set of scales. It is interesting to note that of all of the symbols of the astrological signs, the only one that is mechanical, that is a device, that is not a living thing, are the scales of Libra. " Read the lecture transcription.