If 'pro' is the opposite of 'con' what is the opposite of 'progress'?

They have gun control in Cuba. They have universal health care in Cuba. So why do they want to come here?

It was self-serving politicians who convinced recent generations of Americans that we could all stand in a circle with our hands in each other’s pockets and somehow get rich.

If there is a 50-50 chance that something can go wrong, then 9 times out of ten it will.

If you don't live it, you don't believe it.

But, as all scientists know, there is a time lag of 12 to 18 months between the time a manuscript is submitted and the time it is published in a scientific journal.

We've drifted away from being fishers of men to being keepers of the aquarium.