Better the complexities one thought he knew than the complexities which defied understanding.

But getting from that point to the emergence of large structures in the universe has defied scientific understanding.

Chaos theory tells us that a big complicated system like that defies understanding.

The behavior of this big complicated system always defied understanding.

And their negroes, who had been told nothing, knew everything too, by that black grapevine telegraph system which defies white understanding.

It was invisible, a force beyond nature's laws, an unknown that defied understanding.

The catastrophe in eastern Congo defies superficial understanding and, for most of us, sustained concern.

If his literature defies easy understanding, so too does his life.

These issues are not so technical that they defy public understanding.

Even if their crimes defy understanding, we need to understand.