Every year since 1971, political, academic and corporate leaders from across the globe gather in the Alps to talk about critical issues facing the year ahead.
This year saw more than 2,500 leaders attend the World Economic Forum in Davos, Switzerland, from presidents and CEOs, to internationally-acclaimed musicians Pharrell Williams and Will.i.Am.
Here are a handful of some of the most memorable quotes from this year's 2015 World Economic Forum.
Written by Catherine Boyle
Angela Merkel, German Chancellor
"This year has started with a bang that shook us to the core."
Pharrell Williams, Musician
"We are literally going to have humanity harmonized."
Sheryl Sandberg, Chief Operating Officer of Facebook
"The only way we're going to make more data accessible and unleash all the potential ... is if it gets cheaper."
Eric Schmidt, Executive Chairman, Google, USA
"[In the future], the Internet will disappear… you won't even sense it, it will be part of your presence all the time."
Alpha Conde, President of Guinea
"Ebola did less damage than the reaction to the disease."
William Lacy Swing, Director-General, International Organization for Migration (IOM), Geneva
"We cannot and should not stop people from migration. We have to give them a better life at home. Migration is a process, not a problem."
Marissa Mayer, President and Chief Executive Officer, Yahoo
"Users own their data and should have control of how their data is used."
Benoit Coeure, ECB executive board member
"(Quantitative easing) will work because it is big, because it's strong, and because it's open-ended"
Larry Summers, Former U.S. Treasury Secretary
"We have to recognize that the era when central bank improvisation can be the world's growth strategy is coming to an end."
Oleg Deripaska, President, Rusal
"We will see a much worse time in Russia. A lot of mistakes have been made."
Matteo Renzi, Italian Prime Minister
"If we are simply a community of economic interests, we are finished."
Li Keqiang, Chinese Premier
"If I could compare the Chinese economy to a running train…This train will not lose speed or momentum."
Jack Ma, Founder of Alibaba
"Fall in love with the government, but never marry them."
Luis de Guindos, Finance Minister of Spain
"Inflation is like cholesterol. There are two kinds...we have the good kind."