The phrase "belief in God" refers to a person's conviction that there is a higher power or deity who exists and has control over the universe. It implies a sense of faith, trust, and reliance on this divine being as an ultimate source of guidance, strength, and protection. The concept of belief in god varies among different religions and cultures, but generally it signifies a deep-rooted conviction that there is something greater than oneself who governs the natural order and provides spiritual sustenance to human beings.