On I am telling you the truth see 1.51. On eternal life see 1.4; 3.15.
It may be necessary in some languages to state the object of believes. If so, it would seem best to translate “he who believes in me.”
Quoted with permission from Newman, Barclay M. and Nida, Eugene A. A Handbook on the Gospel of John. (UBS Handbook Series). New York: UBS, 1980. For this and other handbooks for translators see here .