It is my experience that proofs involving matrices can be shortened by 50% if one throws the matrices out. — Emil Artin Ifs Copy Share Image
This skipping is another important point. It should be done whenever a proof seems too hard or whenever a theorem or a… — Emil Artin Able Copy Share Image
I am opposed to textbooks... I find it hateful to give a course where I have to plough my way through chapter… — Emil Artin Book Copy Share Image