ˌGuiding ˈLight
a US television soap opera, which began in 1937 and moved on to television in 1952, and is now the longest running drama. It tells of the lives of people who live in the fictional town of Springfield.

[TahlilGaran] Dictionary of Contemporary English ▲

a guiding light
someone who influences a person or group and shows them how to do something successfully.
She was the founder of the company, and for forty years its guiding light.

[TahlilGaran] English Idioms Dictionary ▲