South Central is the are in South LA where, statistically, the most murders happen.
The “Murder Dubbs” are 20th to 29th street in East Oakland, one of the most violent parts of the city.
“Killer California”=“Look at how many places I can name in my home state where you’d get bodied just for visiting”

Knowledge is the meaning of the numeral 1 in Supreme Mathematics, referring to Knowledge of Self. To “do the Knowledge” on a particular subject means to study it in preparation for engaging in some activity related to it.

So do the Knowledge, son, before you do the Wisdom
-RZA

A system of numerology which assigns special significance to each numeral 0-9 (with 0 effectively being used as 10).
Read RapGenius' explanation of the system of Supreme Mathematics-including some wisdom from GZA of the Wu-Tang Clan-here.

See “Supreme Mathematics”(http://x.genius.com/Nation-of-gods-and-earths-supreme-mathematics-annotated).

Traditionally, women (or Earths) are called Wisdom in the 5 Percent Nation.
Wisdom is also the 2nd of the 12 Jewels, after Knowledge-Knowledge being Knowledge of Self, Wisdom being the ability to act on that Knowledge.

The Divine balance of the universe, and the rewards or penalties for ones actions. The rewards for living righteously are a life of love, peace, and happiness. The penalty for living unrighteously is life in Hell-a life of stress, suffering, and torment that will lead to mental and physical death.
Justice is sometimes broken down as Just-I-C-E: Just I Cee (or See) Equality. Justice is the law that Equality follows.

“Those who have the power to build or destroy, based on their intelligence.” In other words, men and women/Gods and Earths of the 5 Percent Nation (were one focused on being grammatically correct, this would be he or she, but it works better if men and women are grouped under one letter)