Esias 26:4

4 they have trusted with confidence for ever, the great, the eternal God;

Esias 26:4 In-Context

2 Open ye the gates, let the nation enter that keeps righteousness, and keeps truth,
3 supporting truth, and keeping peace: for on thee, O Lord,
4 they have trusted with confidence for ever, the great, the eternal God;
5 who hast humbled and brought down them that dwell on high, thou shalt cast down strong cities, and bring them to the ground.
6 And the feet of the meek and lowly shall trample them.

The Brenton translation of the Septuagint is in the public domain.