"I can explain my feelings, and I can't at the same time," Bilic said.
"It is great, for me a really great game of football.
"It was a classic FA Cup tie. It will go into the history of West Ham's greatest games.
"Liverpool, last season at Upton Park, night kick-off, goal in the last minute.
"And we deserved it, I am very proud of the guys. They left their heart on the pitch."