We try to be perfect, and live a perfect life. We will never be perfect, nor live a perfect life, but we are perfected in Christ, who makes us perfect.
There is only one that lived on this earth that lived a sinless life, who is perfect – Christ Jesus!
Only in Christ, are you perfect.
Hebrews 13:20-21 (KJV) – now the God of peace, that brought again from the dead our Lord Jesus, that great Shepherd of the sheep, through the blood of the everlasting covenant, make you perfect in every good work to do his will, working in you that which is wellpleasing in his sight, through Jesus Christ; to whom be glory for ever and ever. Amen.