Lat at nigh have you experienced a vision of the person you might become, the work you could accomplish, the realized being you were mean to be? Are … - Steven Pressfield

The amateur plays for fun. The professional plays for keeps. To the amateur, the game is his avocation. To the pro it's his vocation.

The Soldier is a farmer. He knows how to shape the earth. He is a carpenter; he erects ramparts and palisades. A miner, he digs trenches and tunnels; a mason, he chisels a road from a sheer face of stone. The Soldier is a physician who performs surgery without anesthetic, a priest who inters the dead without psalm. He is a philosopher who plumbs the mysteries of existence, a linguist who pronounces "pussy" in a dozen tongues. He is an architect and a demolition man, a fire brigadier and an incendiary. He is a beast who dwells in the dirt, a worm, owning a mouth and an anus and aught but appetite in between.

The professional cannot take rejection personally because to do so reinforces Resistance. Editors are not the enemy; critics are not the enemy. Resistance is the enemy. The battle is inside our own heads. We cannot let external criticism, even if it's true, fortify our internal foe. That foe is strong enough already.