CARL SAGAN

We think of ourselves as rational creatures that consciously make decisions and act out in a rational way. We forget that most of our behaviour is caused by our emotions and that even our thinking is never truly rational. However, rationa...

Without specialisation, we would not have computers, the internet, cars, antibiotics, or all the other more sophisticated things.

Specialisation creates wealth. The power of specialisation is related to the size of the economy. In a small village, there's only so much specialisati...

• Most people go through life with small ambitions, small goals, thinking small, and they only rise to the size of their dreams.
• All of us, more than we recognize, are products of the thinking around us. And much of this thinking is little, not big.

By thinking big, wha...