When I was in school, working as a team was called cheating.
All models are wrong, and increasingly you can succeed without them.
Peers can be the best teachers, because they're the ones that remember what it's like to not understand.
More data beats clever algorithms, but better data beats more data.
I think test-driven design is great. But you can test all you want and if you donโt know how to approach the problem, youโre not going to get a solution.
Using PowerPoint is like having a loaded AK-47 on the table.