Before you start cooking you must know how to use a knife. Wielding a knife correctly will prevent you from causing any injuries in the kitchen and speed up the cooking process. The video provides great information on how to cut vegetables with some tips on how to make them stay in place and not roll around the chopping block. If you are looking for some cutting boards check out my last post!
TL;DR Learn how to cut before you cut yourself. Speeds up cooking time.