Most Memorable Lines of the First Presidential Debate

— -- There were fireworks between Hillary Clinton and Donald Trump as the two candidates faced off in the first presidential debate of the general-election season, at Hofstra University in Hempstead, New York.

Clinton and Trump engaged in 90 minutes of nonstop debating, moderated by "NBC Nightly News" anchor Lester Holt, to make their case to American voters for why they should occupy the White House.

Here are the most memorable lines of the debate:

"Now, in all fairness to Secretary Clinton, yes, is that OK? Good. I want you to be very happy. It's very important to me."