Numbers 16.5
Septuagint

epeskeptai kai 
egnw o qeoV touV ontaV autou

New Testament - 2 Timothy 2.19


egnw kurioV touV ontaV autou

Septuagint

God has visited and known those that are his

New Testament

The Lord knoweth them that are his

Masoretic Text

In the morning Jehovah will show who are his

Comments:  The NT and the LXX agree.  The MT has a slightly different meaning.