Job Chapter 38, Verse 21

21: Knowest thou it, because thou wast then born? or because the number of thy days is great?- edit KJV text
21: Didst thou know then that thou shouldst be born? and didst thou know the number of thy days?— edit Douay text
21: I know then that thou wert born at that time, and the number of thy years is great.— edit LXX text