Kakashi: Sleep is nice. It's like death, but not. Death without commitment.

Sasuke: a free trial of death.

Naruto: Death with benefits

Sakura: an every night stand

Sai: An open relationship with death.

Hiruzen Sarutobi, from his grave: I knew it was a bad idea to put Kakashi in charge of children

————————

Sai: Every talk with you people gets more and more absurd!

Sakura: You say 'you people' like you're not part of the group. Well I've got news for you, pal, you're already on the Christmas card.