You trip because of the pavement. A stranger trips because they're clumsy

Jones and Nisbett found people routinely blame their own mistakes on the situation but blame other people's identical mistakes on their character. It's the flip side of the fundamental attribution error: generous to your own excuses, stingy with everyone else's.

— Edward Jones, Richard Nisbett, The Actor and the Observer: Divergent Perceptions of the Causes of Behavior — 1971