useless trivia: What Word Means: Treated With Alum?

Questions

"The luckiest man in the world was Adam - he had no ---------------."- Sholom Aleichem?

"If you live to the age of a -------------- you have made it because very few people die past the age of a hundred."- George Burns?

"Live as if you were to -----------. Learn as if you were to live forever."- Mohandas K. Ghandi?

"The man who reads nothing at all is better educated than the man who reads nothing but ---------------."- Thomas Jefferson?

"If you tell the truth you don't have to ------------- anything."- Mark Twain?