Sheldon: I've spent the past three-and-a-half years staring at greaseboards full of equations; before that, I spent four years working on my thesis; before that, I was in college, and before that, I was in the fifth grade.
Sheldon : I've spent the past three-and-a-half years staring at greaseboards full of equations; before that, I spent four years working on my thesis; before that, I was in college, and before that, I was in the fifth grade.
http://www.tv-quotes.com/shows/the-big-bang-theory/quote_20814.html
