The key is to keep in mind what is the current problem you are looking a solution for. Then here and there while you're eating or even watching TV ask your brai

The key is to keep in mind what is the current problem you are looking a solution for. Then here and there while you're eating or even watching TV ask your brain the question "What could possibly be the answer to this problem?". As if by some magic it is often the case that the brain then comes up with hey maybe the solution could be found by exploring this territory further ..."