Misc: What is a group of ducks on the water?

Questions

"The hunger for ------- is much more difficult to remove than the hunger for bread."- Mother Teresa?

"The --------------- we do immediately. The unconstitutional takes a little longer."- Henry Kissinger?

"If you cannot get your ---------- to call you, try not paying his bill."- Pete Ferguson?

"The important thing is not to stop -------------."- Albert Einstein (1875-1955)?

"If you can't say anything --------- about someone, sit right here by me."- Alice Lee Roosevelt Longworth?