High-performance computing, and computing in general, is in a state of flux and is possibly in the process of undergoing a paradigm shift, which is simultaneously unsettling and exciting.
My decision to emphasize software flexibility and adaptivity in my preliminary planning for a 3-year astrophysics software development project has not only been confirmed but strengthened.
Not checking that the shower curtain is inside the tub, combined with taking a long leisurely shower, can lead to flooding and wet clothes.