My mother always taught me never to look back in regret but to move on to the next thing.

I do believe the harder you work, the luckier you get.

Actually, we did a fun April Fools' thing with Google a couple of years ago, which we called Virgle. And we looked for volunteers to go on a one-way trip to Mars.

It's so graceful to be blown by the wind, to go where the wind takes you. Just drifting over beautiful rivers in a balloon is perfect.

Bakers bake bread, accountants manage accounts and entrepreneurs turn ideas into reality.

Only a fool never changes his mind.

From the first days of my career as an entrepreneur, I have always used my own and my team's lack of experience to our advantage. In fact, at our first venture, Student magazine, we used our newcomer status to secure great interviews and generate publicity - people were excited about our new project and wanted to get involved. Our inexperience fed our restless enthusiasm for trying new things, which became part of our core mission.