The "Three Great Lights" in Masonry are the Holy Bible, Square and Compasses. The Holy Bible is dedicated to the service of God because it is the inestimable gift of God to man, and on it we obligate our Brethren. The "Square" to the Worshipful Master because it is the proper Masonic emblem of his office, and the "Compasses" to the Craft because by a due attention to their use we are taught to circumscribe our desires and keep our passions within due bounds toward all mankind, especially a Brother Mason.

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Masonry is the world’s first and largest fraternal organization. It is based on the belief that each man has a responsibility to help make the world a better place. The Grand Lodge of California has nearly 60,000 Masons and about 320 Lodges throughout the State. The Three Great Lights No 651 Masonic Lodge in Menlo Park California is a thriving member of the California Grand Lodge and is made up of Freemasons who believe Freemasonry enhances and strengthens the character of the individual man by providing opportunities for fellowship, charity, and education.