Phobias: Fear of people or society?

Questions

"If the grass is ----------- in the other fellow's yard - let him worry about cutting it."- Fred Allen?

"If thine enemy wrong thee, buy each of his children a -----------."- Chinese Proverb?

"If we all did the things we are capable of doing, we would literally -------- ourselves."- Thomas A. Edison?

"If we all said to people's faces what we say behind one another's backs, society would be --------------."- Honor?

"If we cannot now end our differences, at least we can help make the world safe for ---------."- John Fitzgerald Kennedy?