Hiding what you know is sometimes as important as knowing it.

At some point, if you're changing a really deep-seated behavior, you're going to have a moment of weakness.

The brain has this amazing ability to find happiness even when the memories of it are gone.

If you dress a new something in old habits, it’s easier for the public to accept it.

The biggest moment of flexibility in our shopping habits is when we have a child, because when you think about it, all of your old routines sort of go out the window, and suddenly a marketer can come in and sell you new kinds of things.

Once you understand that habits can change, you have the freedom and the responsibility to remake them. Once you understand that habits can be rebuilt, the power of habit becomes easier to grasp and the only option left is to get to work.

The best agencies understood the importance of routines. The worst agencies were headed by people who never thought about it, and then wondered why no one followed their orders.