Job 5:25
"Thou shalt know also that thy seed shall be great, and thine offspring as the grass of the earth."
Cross References (ranked by relevance)
His seed shall be mighty upon earth: the generation of the upright shall be blessed.
There shall be an handful of corn in the earth upon the top of the mountains; the fruit thereof shall shake like Lebanon: and they of the city shall flourish like grass of the earth.
Blessed shall be the fruit of thy body, and the fruit of thy ground, and the fruit of thy cattle, the increase of thy kine, and the flocks of thy sheep.
And he brought him forth abroad, and said, Look now toward heaven, and tell the stars, if thou be able to number them: and he said unto him, So shall thy seed be.
For I will have respect unto you, and make you fruitful, and multiply you, and establish my covenant with you.