Motivation is temporary because your motives can be at the mercy of your life circumstances. Drive is a step up from motivation because it is what impacts you on a longer term than motivation. Instinct is the holy grail of acheivement and fulfillment. When it is in your most primal brain to be happy and positive, you are on track to win at life no matter what drives you and motivates you short term.
Some of my unscripted thoughts on anxiety and how I personally deal with anxiety when it arises in my mind.