When you start cooking, you need to know what you are doing or you could get hurt or break something. You also need to think about, can you cook this? If you can't, don't cook it yet until you have experience. You might want to be with someone who has more experience so you can have help.
When you are cooking, you need to know what you are cooking or something can go very wrong. Always know what you are cooking, that is very important. You also need to have the recipe with you.