And thou shalt number seven sabbaths of years unto thee, seven times seven years; and the space of the seven sabbaths of years shall be unto thee forty and nine years.
Leviticus 23:15
"`And ye shall count unto you from the morrow after the Sabbath, from the day that ye brought the sheaf of the wave offering; seven Sabbaths shall be complete.
Genesis 2:2
And on the seventh day God ended His work which He had made; and He rested on the seventh day from all His work which He had made.