Knows Quote by Daniel Kahneman

“You know you have made a theoretical advance when you can no longer reconstruct why you failed for so long to see the obvious.…

— Daniel Kahneman

Never abandon a theory that explains something until you have a theory that explains more.

— John McCarthy

Whenever a theory appears to you as the only possible one, take this as a sign that you have neither understood the theory nor…

— Karl Popper

If you know that something is true and just, and you give up, thats when you fail.

— Andrew Forrest

I was determined that if I failed it wouldn't be due to lack of effort

— Heston Blumenthal

I had the most beautiful set of theories you ever knew when I started out as a schoolma'am, but every one of them has…

— Anne Shirley

I strongly believe that whenever there's failure or you feel like you've failed, it's only just the beginning, and you can only learn from…

— Laura Ramsey

If I had permitted my failures, or what seemed to me at the time a lack of success, to discourage me I cannot see…

— Calvin Coolidge

For I found myself embarrassed with so many doubts and errors that it seemed to me that the effort to instruct myself had no…

— Rene Descartes

To understand theory is not enough. Much practice is necessary...

— Kimon Nicolaides

“First you must face your own reality in the present, here and now! If you fail to do that, if you do not obtain…

— Frank M. Wanderer

Perhaps we all lose our sense of reality to the precise degree to which we are engrossed in our own work, and perhaps that…

— Anonymous