It's not often that you hear from former United States Vice President Al Gore, girls' education advocate Malala Yousafzai and Gates Foundation co-chair Melinda Gates on the same day, much less from the same stage.
The three public figures represent just a small sampling of the dazzling lineup of speakers on the second day of the Social Good Summit.
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The diverse group of speakers tackled the challenging question of how we can best prepare for #2030NOW. One of the focal points of the day's conversations was climate change, and a series of panels addressed the myriad of ways to mobilize the connected generation for the health of our planet.
We've rounded up some memorable and moving quotes from the main stage on Monday. Who was your favorite speaker of the day? What did they say that stuck with you? Let us know in the comments below.