On Feb. 25, in 1964, 22-year-old boxer Cassius Clay beat the odds-makers by dethroning world heavyweight champ Sonny Liston in a seventh-round TKO.

This set in motion a series of events mired in controversy and still hotly debated to this day. It also revealed a principle anyone facing long odds would do well to cultivate.

But first a ring of the bell..

Ding-ding!

The rematch was set for May 25, 1965. There were whispers of a fix, of mob entanglements, of contractual subterfuge in the wake of their first fight. The World Boxing Association had already stripped the title from Clay, now the newly renamed Muhammad Ali, amid the surrounding chaos. Doubt clung to the bout like backroom cigar smoke.

Despite all this, the match proceeded—for all of a minute and half. Ali threw a punch so hard and so fast that Liston was suddenly down on his back. The Big Bear, as he was nicknamed, rolled over, got his right knee underneath him but fell on his back again, KO’d.

The fight was over in the first round. But the controversy endures to this day thanks to what’s been heralded as The Phantom Punch.

Ali snapped a short right hand over Liston’s jab. The Bear went down in a heap while Ali hovered over him, shouting, “Get up and fight, sucker!”

Ding-ding-and click! Sports Illustrated photog Neil Leifer got the shot—Ali standing, muscles taut, mouth open in righteous fury, Liston sprawled at his boxing shoes. It’s basically a Renaissance painting of pure, visceral conquest.

But Leifer missed the controversial moment—what has since become known as the “phantom punch.”

Slow-motion replays suggest the punch landed clean, exactly the sort of shot you don’t see until it’s too late. But controversy has better footwork than reality. The debate continues. Was the Phantom Punch real? Yes, I say. Ali was operating on a different frequency than Liston. He had cultivated something interior, an intense ferocity—a conviction bordering on mysticism. He’s the man who, as he once crowed, “done handcuffed lightning” after all.

We tend to imagine our lives as long, grinding fights—fifteen rounds of attrition as we shuffle off this mortal coil. But sometimes the decisive blow is compact and nearly imperceptible. A sentence spoken at the right moment. A boundary drawn. A resignation letter slid across a desk. A good kiss. From the outside, it looks like nothing much happened. From the inside, it’s seismic.

When the punch landed, it was the definition of preparedness meeting opportunity.

How’s your Phantom Punch? You should be ready to strike should the moment arrive—without hesitation. It must be pure reflex. The most powerful blows we’ll ever throw won’t look dramatic in the windup. They’ll be short, quick, invisible…undeniable.

Then everything changes.

Like the man said, “Float like a butterfly, sting like a bee.”

Ding-ding!