Sentence examples for Must be proven from inspiring English sources

They must be proven wrong".

Now Bao's method must be proven on a large scale.

It must be economical and it must be proven that it fulfills the conditions for sutainability.

After beatification, a process that can take many years, a second miracle must be proven for sainthood.

However, the molecular determinants and the energetics of this mechanism still remain unknown, so its feasibility must be proven mechanistically.

All new products and therapies must be proven to be safe before they can be used in the clinic.

They argued that with no known will, a parent-child relationship must be proven through genetics, adoption, assisted reproduction or an established presumption of parentage laws.

Under the convention, a political party cannot be banned for its symbols – rather there must be "proven activities" dangerous to the national security.

The US attorney in Sacramento later said there was "not sufficient evidence to sustain a federal criminal prosecution, which must be proven beyond a reasonable doubt".

It's not good enough for a therapy to be popular or to have been around for centuries - it must be proven to work and to be safe.

Certainly teachers without degrees whose literacy competence must be proven through rigorous state testing before being able to work as public preschool teachers.