Norah Jones

Wisdom is not a team sport.

If it wasn't, we'd have disappeared off this planet a long time ago.

"My tastes are simple. I am easily satisfied with the best" - Winston Churchill
"This world is not too small for a few bests" - Me
Everyone should just be THIER best. No contest

You need an elementary course in the English language and the meaning of words. And here we go, mate:

good

adjective
adjective: good; comparative adjective: better; superlative adjective: best

1.
to be desired or approved of.
"we live at peace with each other, which is good"
synonyms: healthy, fine, sound, tip-top, hale and hearty, fit, robust, sturdy, strong, vigorous

en·e·my

noun
noun: enemy; plural noun: enemies

1.
a person who is actively opposed or hostile to someone or something.
synonyms: opponent, adversary, foe, archenemy, rival, antagonist, combatant, challenger, competitor, opposer;
the opposition, the competition, the other side, the opposing side
"he and his brother have been enemies for years"

"Best" is superlative of "good" and therefore could not possibly be construed as opposite or competitor. Case closed.

Tostados, perhaps you understand the words, but miss the meaning, of Shubert's quote. It means, "settling for second best." The phrase is usually trotted out in the context of aspirations to achieve greatness.