I Try To Spend My

People Loved Their Horses, Too. But You Don't Keep Riding Your Horse To Work Just Because You Love It.

Obsess About Customers, Not Competitors.

If You're Not Stubborn, You'll Give Up On Experiments Too Soon. And If You're Not Flexible, You'll Pound Your Head Against The Wall And You Won't See A Different Solution To A Problem You're Trying To Solve.

Lowering Prices Is Easy. Being Able To Afford To Lower Prices Is Hard.

I Went To Princeton Specifically To Study Physics.