If you don't have those moments where you go too far, then you're probably not going far enough.

If dandelions were hard to grow, they would be most welcome on any lawn.

Admit your errors before someone else exaggerates them.

Hire great people and give them freedom to be awesome.

Local commerce, without question, will be one of the fundamental use cases enabled by mobile devices over the next several years.

I'm weird. But I'm a pretty serious person.

After four and a half intense and wonderful years as CEO of Groupon, I've decided that I'd like to spend more time with my family. Just kidding - I was fired today.

You're building a tool, not a piece of art. Don't be blinded by the vision.

We can't be afraid to be weird.

I never thought of myself as an entrepreneur before I started this. I just like to build things.

I think if there's any difference between me and a traditional CEO, it's that I've been unwilling to change myself or shape my personality around what's expected.

Forget the soul. No such ghost in the machine. What happens to our mind befalls our body also. The condition of the body is also the state of the mind.

The personality is determined by a variety of interventions that enter the head like big symbolic flags in the conquered soil which seldom knows its defeat.

Of course, the ideal scenario for parenting is obviously two parents of a mature age.

I think you go through a period as a teenager of being quite cool and unaffected by things.

I like things that are difficult, physically and mentally. Things that are really challenging, things that really maybe take a long time but really push me to my limits.

Never paint your wife or your mother.

No, painting is not interior decoration. It is an instrument of war for attack and defense against the enemy.

I think you have to satisfy yourself first and foremost.

If one by one we counted people out For the least sin, it wouldn't take us long To get so we had no one left to live with. For to be social is to be forgiving.

With products the form is almost the finished piece, but with architecture it is not.