Crossword puzzle clue "he ain't heavy didn't apply to this president"

"He ain't heavy" didn't apply to this president

He said "Slump? I ain't in no slump. I just ain't hitting"

"Sometimes I ain't so sho who's got ___ a right to say when a man is crazy and when he ain't" (William Faulkner)

The Cult "I ain't no sucker, I ain't no ___"

"Ain't" ain't part of it

What "ain't" ain't

Only president to serve as both vice president and president without being elected to either office

He ain't heavy, he's my brother