Why is the number '7' so special?

" Manly P. Hall1 writes in The Secret Teachings of All Ages ; "The Ancients referred to the number 7 as "worthy of veneration." It was held to be the number of religion, because man is controlled by seven celestial spirits to whom it is proper for him to make offerings. read more

The number seven is used many times throughout the Bible. It usually is significant of something being whole, complete or perfected. There are other numbers that are prevalent in the Bible as well. Someone above mentioned the number twelve, which usually signifies government (12 tribes, 12 apostles). read more