NET
5 Be keenly aware that just as a parent disciplines his child, so the Lord your God disciplines you.
Darby
5 And know in thy heart that, as a man chasteneth his son, so Jehovah thy God chasteneth thee;
KJV
5 Thou shalt also consider in thine heart, that, as a man chasteneth his son, [so] the LORD thy God chasteneth thee.