Wisdom comes from experience. Experience is often a result of lack of wisdom.

There's a saying that all roads lead to Ankh-Morpork. And it's wrong. All roads lead away from Ankh-Morpork, but sometimes people just walk along them the wrong way.

The worst thing you can do is nothing.

There are times in life when people must know when not to let go. Balloons are designed to teach small children this.

Rincewind had always been happy to think of himself as a racist. The One Hundred Meters, the Mile, the Marathon -- he'd run them all.

Rincewind could scream for mercy in nineteen languages, and just scream in another forty-four.

Tourist, Rincewind decided, meant ‘idiot.

...and the funny thing was that people who weren't entirely certain they were right always argued much louder than other people, as if the main person they were trying to convince were themselves.

The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it.

I have, before now, waited for a pen to perform a macro.

You never knew about people, like you never knew how deep a pond was because all you saw was the top.

you are not a failure, belive that you can do what people think you can not do,

The good man is free, even if he is a slave. The evil man is a slave, even if he is a king.

As the greatest of detectives makes the greatest of criminals, a specialist in investigation is also a specialist in murder.

I know that the twelve notes in each octave and the varieties of rhythm offer me opportunities that all of human genius will never exhaust.

There is a Sunday conscience as well as a Sunday coat; and those who make religion a secondary concern put the coat and conscience carefully by to put on only once a week.

Most people, especially activists, recognize their differences with others rather than what they have in common and that leads to frustration more than persuasion.

We have to do immigration reform while the pro-deportation crew is still reeling.

Work is not an end in itself; there must always be time enough for love.

The key to developing the courage to change is to first accept that change is inevitable.

I am extremely rebellious. I have this strong, defiant spirit.