The tenets of Tau Gamma Phi are as follows:
* Brotherhood: Members of Tau Gamma Phi are expected to be loyal to and supportive of each other. They should be willing to help each other in times of need and to work together to achieve common goals.
* Service: Members of Tau Gamma Phi are expected to be of service to their community and to the world. They should be involved in activities that benefit others and should strive to make a positive impact on society.
* Scholarship: Members of Tau Gamma Phi are expected to be academically successful. They should strive to achieve their full academic potential and should use their knowledge to benefit society.
* Leadership: Members of Tau Gamma Phi are expected to be leaders in their community and in their careers. They should be able to motivate and inspire others and should use their skills to make a positive impact on the world.