The path of mastering something is the combination of not only doing the best you can do at it, but also doing it the best it can be done.
Gary W. KellerEven an idle phone conversation when driving takes a 40 percent bite out of your focus and, surprisingly, can have the same effect as being drunk.
Gary W. KellerYou need to be doing fewer things for more effect instead of doing more things with side effects.
Gary W. Keller