Tittle: The power of introverts
https://www.ted.com/talks/susan_cain_the_power_of_introverts?utm_campaign=tedspread&utm_medium=referral&utm_source=tedcomshare

Good sentence
1)We need introverts (someone who is quiet and shy, and does not enjoy being with other people) doing what they do best.
ex)Introverts are sometimes good for making new way to create relationship.

2)A third to a half of the population are introverts 
ex)A forth to a half of the population are not good at science.

3)Where the bias comes in.
ex)It is not important where the bias comes in. My opinions come in is important.