A smooth sea never made a skillful mariner, neither do uninterrupted prosperity and success qualify for usefulness and happiness. The storms of adversity, like those of the ocean, rouse the faculties, and excite the invention, prudence, skill and fortitude or the voyager. The martyrs of ancient times, in bracing their minds to outward calamities, acquired a loftiness of purpose and a moral heroism worth a lifetime of softness and security.
A Soulution to Rubik's Cube is not a series of individual good guesses, each surmounting move has twelve to one odds against success. It is a series of perplexed movements or algorithms that form a coherent method of returning back to it's original (correct) state.
Aim for success, not perfection. Never give up your right to be wrong, because then you will lose the ability to learn new things and move forward with your life. Remember that fear always lurks behind perfectionism. Confronting your fears and allowing yourself the right to be human can, paradoxically, make yourself a happier and more productive person.
All men are in some degree impressed by the face of the world; some men even to delight. This love of beauty is taste. Others have the same love in such success that, not content with admiring, they seek to embody it in new forms. The creation of beauty is art.
All that is necessary to break the spell of inertia and frustration is this Act as if it were impossible to fail. That is the talisman, the formula, the command of right-about-face which turns us from failure towards success.