Sirach 24:26

26 He maketh the understanding to abound like Euphrates, and as Jordan in the time of the harvest.

Sirach 24:26 In-Context

24 Faint not to be strong in the Lord; that he may confirm you, cleave unto him: for the Lord Almighty is God alone, and beside him there is no other Saviour.
25 He filleth all things with his wisdom, as Phison and as Tigris in the time of the new fruits.
26 He maketh the understanding to abound like Euphrates, and as Jordan in the time of the harvest.
27 He maketh the doctrine of knowledge appear as the light, and as Geon in the time of vintage.
28 The first man knew her not perfectly: no more shall the last find her out.

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