Exodus 34:9-10

ASV_Strongs(i)
  9 H559 And he said, H4672 If now I have found H2580 favor H5869 in thy sight, H136 O Lord, H136 let the Lord, H3212 I pray thee, go H7130 in the midst H7186 of us; for it is a stiffnecked H5971 people; H5545 and pardon H5771 our iniquity H2403 and our sin, H5157 and take us for thine inheritance.
  10 H559 And he said, H3772 Behold, I make H1285 a covenant: H5971 before all thy people H6213 I will do H6381 marvels, H1254 such as have not been wrought H776 in all the earth, H1471 nor in any nation; H5971 and all the people H7130 among H7200 which thou art shall see H4639 the work H3068 of Jehovah; H3372 for it is a terrible thing H6213 that I do with thee.