The line between passion and violence on ice is a thin red line.

That is, there's a choice between reason and passion.

In part, that happens because the film walks a thin line between flippancy and passion.

- settling a conflict at Worth between passion and profit.

In hockey, it's a fine line between fashion and passion.

Given the choice between passion and love, Zane preferred the latter.

His action is not the result of a struggle between passion and virtue.

There's a fine line, isn't there, between passion and obsession?

"Coach always talks about the difference between passion and emotion," Noah says.

The fact that her response could fall anywhere between fury and passion only made it the more difficult to resist.