Ἐὰν ἐγὼ μαρτυρῶ περὶ ἐμαυτοῦ, ἡ μαρτυρία μου οὐκ ἔστιν ἀληθής.

1. Ἐὰν
   If
2. ἐγὼ
   i
3. μαρτυρῶ
   testify
   i testify
4. περὶ
   about
   concerning
5. ἐμαυτοῦ
   myself
   of myself
6.  
   ,
    
7. ἡ
   the
   or
8. μαρτυρία
   testimonies
   testimony
9. μου
   my
10. οὐκ
    not
11. ἔστιν
    is
12. ἀληθής
    true
13.  
    .
     

If I testify concerning myself, my testimony is not true.