UnScramble this Word: k a t b i s r z?

Questions

"I can take it... The tougher it gets, the ------------- I get... "- Richard Nixon?

"If men could get -------------, abortion would be a sacrament."- Florence R. Kennedy?

"If one tells the ----------, one is sure, sooner or later, to be found out."- Oscar Wilde?

"If only I had a little -----------, I'd be perfect."- Ted Turner?

"I consider ----------- a gift."- Septima Clark?