Exodus 34:10 And he said, Behold, I make a covenant: before all thy people I will do marvels, such as have not been wrought in all the earth, nor in any nation; and all the people among which thou art shall see the work of Jehovah; for it is a terrible thing that I do with thee.

ASV_Strongs⁽ⁱ⁾

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.