Final answer:
The open motto of Gamma Phi Beta is not provided in the references, but it generally represents the organization's values. For the official motto, one would need to research or contact Gamma Phi Beta directly.
Step-by-step explanation:
The open motto of Gamma Phi Beta is not directly provided in the provided references; however, the open motto is traditionally a short phrase that captures the essence or guiding principle of the organization. In academic and Greek life contexts, open mottos are often quoted in Latin or Greek, and they're intended to be shared with the public to represent the values and aspirations of the members. For a specific fraternity or sorority, research or direct inquiry to the organization is typically required to ascertain their official open motto, as these mottos are often chosen to be emblematic and inspirational, reflecting the legacy and impact of the organization's notable members and historical significance.