This quote is about reclaiming your personal power. The speaker is deciding to take back control over their life and abilities. They are no longer going to give their power away to others or circumstances.
By saying "I call all of my power back to me," the speaker is acknowledging they are the only one who can truly harness their full potential. Their power comes from within, not from external forces. It is a statement of self-empowerment and determination.
The speaker seems to recognize they have allowed their power to be diminished. Calling it back is an act of strength and resolve. They are seeking to regain their lost confidence, motivation, and inner wisdom. It is a first step toward living more authentically and purposefully.