I do remember the whole thing as being very argumentative, hot blooded... a permanent state of friction between Jon and Chris, Chris and me, me and Jon.

- Bill Bruford

With a contained environment, there is the promise of friction. And that is where the drama comes from.

- Bruce Greenwood

In mobile, people really love having single-use case experiences. They want low friction to getting to the application's use case.

- Dave Morin

Iteration, like friction, is likely to generate heat instead of progress.

- George Eliot

Bitcoin woke us all up to a new way to pay, and culturally, I think a much larger percentage of us have become accustomed to the idea that money no longer comes with the friction it once had.

- John Battelle

A gem cannot be polished without friction, nor a man perfected without trials.

- Lucius Annaeus Seneca

If your writing collides with the conventional wisdom, there's going to be some kind of friction.

- Pankaj Mishra

Free societies are societies in motion, and with motion comes friction.

- Salman Rushdie