19、Notify the editors of the Oxford English Dictionary.

　　20、The word "plenty" has been redefined to mean "two."

　　21、 Sheldon,you are a smart guy. -

　　22、 You must know... -I'm "smart"?

　　23、 I'd have to lose 60 IQ points to be classified as "smart."

　　要被归为"聪明人" 我得去掉60点智商才行。

　　24、Dr. Gablehauser. - Dr. Koothrappali. - Dr. Gablehauser. - Dr. Hofstader. - Dr. Gablehauser. - Dr. Cooper. - Dr. Gablehauser. - Mr.Wolowitz.

　　25、I have a Master's degree. Who doesn't?