It's easier to apologize than ask for permission.

The most damaging phrase in the language is: 'It's always been done that way.'

Manage things. Lead people.

If you do something once, people will call it an accident. If you do it twice, they call it a coincidence. But do it a third time and you've just proven a natural law!

If it's a good idea, go ahead and do it. It is much easier to apologise than it is to get permission.

I had a running compiler and nobody would touch it. They told me computers could only do arithmetic.

We're just getting started. We're just beginning to meet what will be the future-we've got the Model T.