Business is the marketplace of ideas.

I think one of the biggest curses in the U.S. is that we have only two political parties.

When you post something, when you text something, you lose ownership of it when you hit enter or send. Who you send it to, where you post it, they take ownership of that information whether you like it or not

A sure sign of failure for a startup is when someone sends me logo-embroidered polo shirts. If your people are at shows and in public, it's okay to buy for your own employees, but if you really think people are going to wear your branded polo when they're out and about, you are mistaken and have no idea how to spend your money.

I had been in the technology business for so long, I had seen the PC-bubble come and burst, I had seen the local area and wide area networking-bubble come and burst, it was no shock that the internet-bubble was going to burst.

The only thing in your control is effort. That's all, and that's everything.

The number-one job of the hedge-fund manager is not to make sure that you can retire with a smile on your face - it's for him to retire with a smile on his face.