A lot of Persico's dialogue from that trial was good.
"You know I bought the house." - Fred DeChristopher
"You couldn't buy socks." - Persico
″Did you tell your children you were hurt fighting the war, when in fact you fell down a ladder?″ - Persico to DeChristopher on an alleged WWI injury
Ivan hit on a lot of the best. Scarfo has to be the king of quotes. Some other favorites:
"I'm like the turtle. I get there." - Scarfo
"Who the fuck is Shotsie?!" - John Veasey
"I lost my son. I lost my son when I made him a skipper." - Vincent Asaro
"This needs absolute attackness. OK?" - Charlie Stango