Such a change is a proof of your success.

They suggested that the Democrats' new attention to women was proof of their success.

Others claim that agile development methods are still too young to require extensive academic proof of their success.

The proof of the dance group's success is its alumni.

For proof of its success, she pointed to a recent informal gathering.

Their small numbers are proof of the system's success.

I think that this is the best proof of our success.

The proof of its success, however, may well lie in the length of that petition.

Not just belief there is concrete proof of their success.

It was full of the tangible proof of his success.