"The only way I can pay back for what fate and society have handed me is to try, in minor totally useless ways, to make an angry sound against injustice."

"You don't spend twenty years of your life in the service and not have a warm, nostalgic feeling left in you … It's a small service, and there's a lot of esprit de corps."

"If someone is to consider black and white for their project I guess I would say the heads up that I would offer is that they need to be prepared to fight for it and lobby for that... Connections are not in color or in black and white. They’re invisible but just as real."

"If we’re going to solve the problems that we’re trying to solve – and it’s not just for the Foundation, it’s for all of us, we’ve got to tap into the creativity and the capability and the innovation potential of the private sector." -Julie Sunderland of The Bill and Melinda Gates Foundation, from her recent Big Think Interview  

"Be patient with the belligerence of the simple-minded. It is not easy to understand that one doesn’t understand." -Marie von Ebner-Eschenbach, 19th century Austrian novelist

The renowned philosopher takes us through the events of his new book, Event: A Philosophical Journey Through a Concept. He explains how an event retroactively creates its own causes and why these elements explain our fear of falling in love.

ABC News Correspondent Dan Harris explains why someone who tells you they're a good multitasker is lying. In fact, what we perceive as multitasking is really just "doing many things poorly"