I've always been more interested in the future than in the past.

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

A ship in port is safe, but that's not what ships are built for.

The only phrase I've ever disliked is, 'Why, we've always done it that way.' I always tell young people, 'Go ahead and do it. You can always apologize later.'

To me programming is more than an important practical art. It is also a gigantic undertaking in the foundations of knowledge.

No computer is ever going to ask a new, reasonable question. It takes trained people to do that.

You manage things, you lead people. We went overboard on management and forgot about leadership.

It is often easier to ask for forgiveness than to ask for permission.

One accurate measurement is worth a thousand expert opinions.

Leadership is a two-way street, loyalty up and loyalty down. Respect for one's superiors; care for one's crew.

The glass is neither half empty nor half full. It's simply larger than it needs to be. It is easier to get forgiveness than permission

The poet drafts his work as a writer but edits it as a sculptor, with his pen as a chisel and his mind a hammer.

Authors are now marketed like promising movie starlets and must rattle around the nation's television stations to try to assert a salable identity different from that of the other starlets.

I suppose that for most people one of the darker joys of gardening is that once you've got started it's not at all hard to find someone who knows a little bit less than you.

Not everyone is the same. You can't label a person just because of what they do or what they've done.

Neither the few nor the many have a right to act merely by their will, in any matter connected with duty, trust, engagement, or obligation.

Every achievement, every step forward in knowledge, is the consequence of courage, of toughness towards oneself, of sincerity to oneself

If I'm free, it's because I'm always running.

If you put frightening things into a picture, then they can't harm you. In fact, you end becoming quite fond of them.

Amid the turmoil and tumult of battle, there may be seeming disorder and yet no real disorder at all.

If you never quit, you're never beaten.