KJV - For truly my words shall not be false: he that is perfect in knowledge is with thee.

ASV - For truly my words are not false: One that is perfect in knowledge is with thee.

BBE - For truly my words are not false; one who has all knowledge is talking with you.

WEB - For truly my words are not false. One who is perfect in knowledge is with you.

YLT - For, truly, my words `are' not false, The perfect in knowledge `is' with thee.

Notes