Rashi on Genesis 49:18/רש"י על בראשית מ״ט:י״ח

1'לישועתך קויתי ה I HOPE FOR THY AID, O ETERNAL — He prophesied that the Philistines would put out his (Samson’s) eyes, and that he would have to say (Judges 16:28) “Remember me, I pray Thee, and strengthen me, I pray Thee, only this once etc.”