Or was man a certain level of intelligence, no matter what for!

Our local staff has a high level of education and intelligence.

"They tell me you have a pretty high intelligence level."

Now listen: in you is a memory of such an intelligence level.

"Yes, but what is it that the drug does, to change people's intelligence level?"

I'm sure everyone has a level of intelligence and curiosity that they can figure these things out.

I think your material depends on a higher level of intelligence.

Her intelligence level is hard to gauge by normal means.

A certain level of intelligence is required as table stakes, so to speak.

Their intelligence level had been quadrupled at the very least.