Inspiration only dramatizes thought for those who cannot think. Physical laws do not come from falling apples, or poems from opium dreams.
Operations of thought are like cavalry charges in a battle — they are strictly limited in number, require fresh horses, and must only be made at decisive moments.
What makes a fool? The gap between what he knows and what he thinks he knows — in short, opinions.
Any idiot can have a good idea; it takes a genius to recognize one.
List, and the world lists with you; abstract, and you abstract alone.
You can talk a man out of an idea he is happy with only by making him unhappy with it.
It is not bad faith but only good manners to make, not the case that convinces me, but the one that I think will convince you.
One must think very well to improve on not thinking at all.
It must be easier to fix the world than it is to fix a dishwasher; there are so many more people who know how.
Episteme married Techne and they lived happily ever after.
An accurate thinker is right: a fertile one is interesting when wrong.