有些人因为蒙昧无知而犯罪.

Some people commit crimes through ignorance.

抑或是因为蒙昧无知的父亲。

And the other thing is the fathers are often very ignorant.

他们完全蒙昧无知.

They are wrapped in the night of ignorance.

二十一世纪科学领域迄今取得的最大成就是发现人类蒙昧无知。

The greatest of all the accomplishments of twentieth-century science has been the discovery of human ignorance .