- Capt. Ed Mercer: You guys will not get me into a discussion of time travel logic; I'd rather chew broken glass.
- Cmdr. Kelly Grayson: Who are we kidding? You are me; just a younger more naïve me. I mean, I know myself; I used to say things like "Find my soul mate". Well, guess what? You don't find soul mates, you become soul mates by growing together.
- Dr. Claire Finn: Goals change. Things become more beautifully complicated. And so we have to stop every so often and re-assess: What is it you really want?