From actors to authors, poets to politicians, nothing inspires us more than hearing words of wisdom from people who have been there and done that.
If Malala Yousafzai isn't motivating us to make the world a better place, Jennifer Aniston is giving us all a lesson in how to talk about women.
Below, we've rounded up some of our favourite quotes from these marvellous human beings and many, many more.
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Take heart from their inspirational advice, marvel as they get stuck in to the hottest debates and revel in their witticism.
Click through the slideshow:
