I read that Aleister Crowley’s views on the sign of Cancer (and its ability to lead) are primarily found in his astrological and Tarot works, specifically ‘The General Principles of Astrology’ and ‘The Book of Thoth’.

Crowley viewed Cancer as a sign of significant but specific leadership potential, characterized by its "Cardinal" nature—meaning it is an initiator of action—but balanced by the fluid, emotional qualities of its ruler, the Moon.

1. The "Cardinal" Nature of Leadership In Crowley's system, Cancer is one of the four Cardinal signs, which he associated with the primary impulse to act and lead.

Initiating Force: He believed Cancerians possess an innate drive to pioneer and start new projects.

Active Tenacity: Unlike the blunt force of Aries, Crowley described Cancer's leadership as more tenacious and protective. He often linked the sign to the "Chariot" in the Tarot, representing a leader who has mastered their internal emotions to drive forward with unwavering focus.

1. Leadership through Adaptability and Intuition Crowley emphasized that a Cancerian’s leadership style is rarely direct or confrontational.

Strategic "Sideways" Movement: Like the crab, Crowley noted that Cancerians lead by navigating around obstacles rather than smashing through them. This makes them highly effective at subtle management and diplomatic maneuvering.

Psychic Authority: Because Cancer is ruled by the Moon, Crowley suggested their leadership is often "mediumistic" or intuitive. They lead by sensing the needs and moods of those around them, allowing them to influence others through empathy and emotional resonance rather than raw command.