None of the conventional barriers stood in the way of these long trips.

My heart leapt across all conventional barriers, and found its way straight to yours.

Nor is its influence bounded by any conventional barriers.

Extreme peril throws down all false conventional barriers and reduces and elevates all to their proper level.

In becoming her hero Done had levelled all the conventional barriers, and her friendship and concern were sincere.

She thought it a little humiliating afterwards, but for the moment all sorts of conventional barriers seemed to melt away.

We need more people like 'Miles' who are willing to break down the conventional barriers of secu- rity on issues that affect us all.)