Second-rate

"'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.' I've always disliked the unnecessary comma in the middle of this famous Fitzgerald dictum, suggestive as it is of an inability to hold two opposed ideas in the mind at the same time while still retaining etc."

— David Shields, Reality Hunger: A Manifesto, 135