With the arrival of humans, it has been said, the universe has suddenly become conscious of itself. This, truly, it the greatest mystery of all.

What do we mean by "knowledge" or "understanding"? And how do billions of neurons achieve them? These are complete mysteries. Admittedly, cognitive neuroscientists are still very vague about the exact meaning of words like "understand," "think," and indeed the word "meaning" itself.

If we knew about the real facts and statistics of mortality, we’d be terrified.

A genius is somebody who seemingly just reaches out of nowhere.

Our ability to perceive the world around us seems so effortless that we tend to take it for granted.

Think about what artists, novelists and poets have in common: the ability to engage in metaphorical thinking, linking seemingly unrelated ideas, such as, 'It is the east, and Juliet is the Sun.'

Even today no computer can understand language as well as a three-year-old or see as well as a mouse.