Steven Pressfield said this quote

“ We experience [procrastination] as fear. But fear of what?Fear of the consequences of following our heart. Fear of bankruptcy, fear of poverty, fear of insolvency. Fear of groveling when we try to make it on our own, and of groveling when we give up and come crawling back to where we started. Fear of being selfish, of being rotten wives or disloyal husbands; fear of failing to support our families, of sacrificing their dreams for ours. Fear of betraying our race, our 'hood, our homies. Fear of failure. Fear of being ridiculous. Fear of throwing away the education, the training, the preparation that those we love have sacrificed so much for, that we ourselves have worked our butts off for. Fear of launching into the void, of hurtling too far out there; fear of passing some point of no return, beyond which we cannot recant, cannot reverse, cannot rescind, but must live with this cocked-up choice for the rest of our lives. Fear of madness. Fear of insanity. Fear of death.These are serious fears. But they're not the real fear. Not the master fear, the mother of all fears that's so close to us that even when we verbalize it we don't believe it.Fear That We Will Succeed. ”