The society which scorns excellence in plumbing as a humble activity and tolerates shoddiness in philosophy because it is an exalted activity will have neither good plumbing nor good philosophy: neither its pipes nor its theories will hold water.

One of the reasons people stop learning is that they become less and less willing to risk failure.

Political extremism involves two prime ingredients: an excessively simple diagnosis of the world's ills, and a conviction that there are identifiable villains back of it all.

If you don't give your kid freedom to make choices with money, including stupid choices, he'll make plenty when he gets to college.

Support for peaceful reform by the people themselves is the right way to promote democracy, not the use of force.

A lot of people say that India has been held back by its democracy. But let's remember that, despite being a poor country, India's democracy meant that its government never let millions of people starve.

I don't want people instructing me what to do with my body; I don't want the government to tell me what I can do in my bedroom, with my body, or with whoever I choose to love.

First, I thought Twitter was some kind of hybrid car being developed by Government Motors. Then I thought it was a new bite-size snack combining what's best of the Frito and the Cheeto. Then I found out it was me. On a laptop. At the U.S. Open. Having fun.