Tomorrow the pair celebrate their 42nd wedding anniversary. When asked how they could possibly have known that it would all work out. Professor Harrison replied in true scientific fashion: "We don't know, you can never be sure. But you take the plunge anyway. Sure is for people who don't love enough".
Piper Perabo - Rachel

“After all is said and done, the only thing you can be really sure of, the only thing you can really count on in this world, is that you just never fucking know.”
Ben Affleck - Larry Gigli

“- Dapper Gent: Life is uncertain.
- Gregor: It is indeed.”
Jan Tríska - Dapper Gent
Stellan Skarsgård - Gregor

“Nothing is certain, no guarantees. Life, I guess.”
Roy Billing - Mayor Robert 'Bob' McIntyre

“Don't screw up the best thing in your life just because you're a little unsure about who you are.”
Jeremy Piven - Arnie