You can probably find a good quote in any episode of Gurren Lagann, but here's my favorites:
"Beat the crap out of. What does that mean?" (Nia)
"I want to feel the weight of just one human life" (Rossiu)
"LET'S SEE YOU GRIT THOSE TEETH!" (Simon, immediately before bruising Rossiu's jaw)
"Maybe, but it isn't zero. And for me that makes it the same as a hundred percent chance!" (Simon, replying to the anti-spiral Nia)
"A real man never dies, even when he's killed!" (Kamina)
And one SAO quote:
"Yui, delete Klein's last comment from your memory" (Kirito)