The rise of China and other authoritarian states challenges the idea that liberal democracy is the only viable political system.
You have to be willing to make mistakes; the big thing is to not make the same mistake over and over again.
There are no permanent trends, only permanent users.
The greatest art is that which makes the invisible visible.
Success in business comes from understanding the customer better than anyone else.
"In the depth of winter, I finally learned that within me there lay an invincible summer."