A youth loathes nothing more than his own callowness. Experience is his object. Experience, however ghastly, for the lad longs before all for the lin… - Steven Pressfield

The working artist will not tolerate trouble in her life because she knows trouble prevents her from doing her work.

O Divine Poesy, goddess, daughter of Zeus, sustain for me this song of the various-minded man who, after he had plundered the innermost citadel of hallowed Troy, was made to stay grievously about the coasts of men, the sport of their customs, good and bad, while his heart, through all the sea-faring, ached with an agony to redeem himself and bring his company safe home. Vain hope – for them. The fools! Their own witlessness cast them aside. To destroy for meat the oxen of the most exalted Sun, wherefore the Sun-god blotted out the day of their return. Make this tale live for us in all its many bearings, O Muse.” – from Homer’s Odyssey, translation by T.E. Lawrence (Lawrence of Arabia)

The professional keeps his eye on the doughnut and not on the hole. He reminds himself it's better to be in the arena, getting stomped by the bull, than to be up in the stands or out in the parking lot.