He added that this was perhaps an opportunity to think outside class boundaries.

As class boundaries broke down, the state apparatus would wither away.

He advocated a strengthening of rigid class boundaries which had largely collapsed by the 18th century.

These people were usually born into their status and historically there was not much movement across class boundaries.

It crossed class boundaries and combined entertainment with artistic ambitions.

I'd only known the posh ones up until that night, but the desperation crosses class boundaries.

But it is now clear that autism crosses class boundaries.

The relationship is not only adulterous, it also crosses strict class boundaries.

At the time, there was no such idea that belonged to the general human value that rose above class boundaries.

Many sociologists who support this principle argue that education is just a means of maintaining social class boundaries.