The masonic pyramid symbolizes an imitation (false) Jesus ("Symbolism will be their downfall" -- Q)
“And have ye not read this scripture; The stone which the builders rejected is become the head of the corner: This was the Lord's doing, and it is marvellous in our eyes?” -- Mark 12:10-11
"The stone [which] the builders refused is become the head [stone] of the corner. This is the LORD'S doing; it [is] marvellous in our eyes." -- Psalm 118:22-23
"And he beheld them, and said, What is this then that is written, The stone which the builders rejected, the same is become the head of the corner?" -- Luke 20:17
"Ye also, as lively stones, are built up a spiritual house, an holy priesthood, to offer up spiritual sacrifices, acceptable to God by Jesus Christ. Wherefore also it is contained in the scripture, Behold, I lay in Sion a chief corner stone, elect, precious: and he that believeth on him shall not be confounded. Unto you therefore which believe [he is] precious: but unto them which be disobedient, the stone which the builders disallowed, the same is made the head of the corner, And a stone of stumbling, and a rock of offence, [even to them] which stumble at the word, being disobedient: whereunto also they were appointed." -- 1 Peter 2:5-8
Also: the triangle is the strongest geometrical shape, and when you combine four triangles into a square and tip the top corners over towards each other, they become a pyramid, which is the most rigid structural design on earth.
The unfinished pyramid on the back of the dollar bill is shaped like an upside-down keystone
Multiple meanings to the pyramid