Tony: How long have you known I was --
Ziva: Following me? Since I left the Navy Yard.
Tony: I don't think so.
Ziva: Blue sedan. You laid behind a white station wagon for a while, then a telephone van. You lost me at the traffic circle on --
Tony: Okay, okay. You knew.
Ziva: [handing him a cup of coffee] Take it. It's chilly out here. You shouldn't feel bad. I was trained by the best.
Tony: You know, that's what I like about Mossad.
Ziva: Our training?
Tony: Modesty.
Ziva: Following me? Since I left the Navy Yard.
Tony: I don't think so.
Ziva: Blue sedan. You laid behind a white station wagon for a while, then a telephone van. You lost me at the traffic circle on --
Tony: Okay, okay. You knew.
Ziva: [handing him a cup of coffee] Take it. It's chilly out here. You shouldn't feel bad. I was trained by the best.
Tony: You know, that's what I like about Mossad.
Ziva: Our training?
Tony: Modesty.
Tony: How long have you known I was --
Ziva: Following me? Since I left the Navy Yard.
Tony: I don't think so.
Ziva: Blue sedan. You laid behind a white station wagon for a while, then a telephone van. You lost me at the traffic circle on --
Tony: Okay, okay. You knew.
Ziva: [handing him a cup of coffee] Take it. It's chilly out here. You shouldn't feel bad. I was trained by the best.
Tony: You know, that's what I like about Mossad.
Ziva: Our training?
Tony: Modesty.
http://www.tv-quotes.com/shows/ncis/quote_31829.html