Do not imagine that you can escape judgment if you rob people with a false prospectus rather than with a knife.

If religious instruction were not allowed until the child had attained the age of reason, we would be living in a quite different world.

Islamophobia: a word created by fascists, and used by cowards, to manipulate morons.

Religion is poison because it asks us to give up our most precious faculty, which is that of reason, and to believe things without evidence. It then asks us to respect this, which it calls faith.

Never be a spectator of unfairness or stupidity. Seek out argument and disputation for their own sake; the grave will supply plenty of time for silence.

Human beings are pattern-seeking animals who will prefer even a bad theory or a conspiracy theory to no theory at all.

I learned that very often the most intolerant and narrow-minded people are the ones who congratulate themselves on their tolerance and open-mindedness.

High moral character is not a precondition for great moral accomplishments.

What can be asserted without evidence can be dismissed without evidence.

Why do humans exist? A major part of the answer: because Pikaia Gracilens survived the Burgess decimation.

The only real radicalism in our time will come as it always has—from people who insist on thinking for themselves and who reject party-mindedness.

When you compare the sorrows of real life to the pleasures of the imaginary one, you will never want to live again, only to dream forever.

Happy the country that lives on nothing but its wits; cursed be the one that thinks it can get rich by planting or digging or drilling for wealth.

If you want to reach people nobody is reaching, you've got to do things nobody is doing

The only thing wrong with architecture is architects.

I don't know if you heard, but I kind of run this place.

A new word is like a fresh seed sown on the ground of the discussion.

One minute you could be getting a smoke in the alley on the Lower East Side with your friends, having drinks and dancing on tables in a popular nightclub. And the next minute, you could be dead.

When you talk yourself, you think how witty, how original, how acute you are; but when another does so, you are very apt to think only - What a crib from Rochefoucauld!

I can't relate to 99% of humanity.

Vimes stalked gloomily through the crowded streets, feeling like the only pickled onion in a fruit salad.