Commentaries:
Robertson's Word Pictures (NT)
Remember (mnhmoneuete). Present active imperative of mnhmoneuw, old verb from mnhmwn, in John again in John 16:4, John 16:21. See John 13:16 for this word.
If they persecuted me (ei eme ediwcan). Condition of first class. They certainly did persecute (first aorist active of diwkw, to chase like a wild beast like the Latin persequor, our "persecute") Jesus (John 5:16). They will persecute those like Jesus. Cf. John 16:33; Mark 10:30; Luke 21:12; I Corinthians 4:12; II Corinthians 4:9; Galatians 4:29; II Timothy 3:12 for proof that this prophecy came true. But the alternative is true and is stated by Jesus with a like condition of the first class, "if they kept my word" (ei ton logon mou ethrhsan). The world does praise the word of Jesus, but dreads to follow it.
Other Robertson's Word Pictures (NT) entries containing John 15:20:
Luke 22:36
John 8:51
John 15:21
Hebrews 13:7
Revelation 11:8
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