'Foundation of the World' in the Bible

for we do enter into the rest -- we who did believe, as He said, 'So I sware in My anger, If they shall enter into My rest -- ;' and yet the works were done from the foundation of the world,

since it had behoved him many times to suffer from the foundation of the world, but now once, at the full end of the ages, for putting away of sin through his sacrifice, he hath been manifested;