And the LORD took him outside and said, “Now look to the heavens and count the stars, if you are able.” Then He told him, “So shall your offspring be.”
Jewish Publication Society of America Version (JPS1917) - Genesis 15:5 >And He brought him forth abroad, and said: 'Look now toward heaven, and count the stars, if thou be able to count them'; and He said unto him: 'So shall thy seed be.'