This simple formula states the relationship between energy and matter.

You have discovered that social development does not follow a simple formula.

But I do not think you are going to find any simple formulas for what happens.

It's after all a simple formula: a guy in a box with a bunch of bad guys.

But the simple formula is enough to show what the variables are.

It is not a success that one can define with a simple formula.

He even gave a simple formula for application by way of a song.

He often said the secret to his success came from a simple formula.

A simple formula indeed but one that is often neglected.

Alex had a simple formula for thinking about complex cases like this one.