That not only is, I think, the best way to approach the problem of our 12 million to 14 million who are here, but that also says to Kim, Kim, this is the best answer, as well, because once we have those conditions met, and people agree, then, they will not be in a labor market that undercuts anybody else's wages.

CNN: Transcript of Thursday's Democratic presidential debate

And then there is the woman who once advised me at the law firm in Chicago where we met. (Laughter.) Once -- (laughter) -- she gave me very good advice.

WHITEHOUSE: President Obama Speaks at the White House Forum on Women and the Economy | The White House

The breaking straw was when once, in a management review, we met with the oldest head of a business.

FORBES: Kindness At The Office

Once the MET research is completed, we hope that school districts will work with teachers and their unions to create fair and reliable evaluations that reward teachers who are effective and identify and help those who need to improve.

WSJ: Bill and Melinda Gates on Teacher Evaluation