But in this case, logic failed, and meditation did little to clarify the issue.

And then pain passed a new threshold, and logic failed.

But the benign logic of trickle-down economics failed in the 1980's.

When arguments were not enough, when logic could only fail, it was time to go beyond them.

"So you think that fear may have succeeded where logic and persuasion failed?"

This "logic" did not fail just in 2008 but has done so for decades.

He understood the logic of the situation, but logic failed him.

Yet his logic failed to take into account local and national trends.

He and others say fuzzy logic has failed in some situations.

However, I find the logic fails with the protection of soils.