The ethical justification in these cases is that conspicuous animals would be easy prey in the wild.

And now you want me to give you an ethical justification for your silence without telling me the reason why you won't speak.

"There is no compelling ethical justification for distinguishing between the derivation and use of human stem cells," the commission said.

These individuals are entitled to protection, and additional ethical justification is needed to involve such populations in human subject studies.

Legal scholars often approach copyright in search of a coherent ethical justification for its existence and character.

Thus, according to general consensus, these experiments require ethical justification.

"Never and for no one can there be any ethical justification for human rights violations," he said.

This is echoed in stanzas four and five, which provide ethical justification for the workers' claim to "all the world."

There is no moral or ethical justification of this kind of horrible attack.

The role of the bombings in Japan's surrender, and the ethical justification of the two attacks is still debated.