Misc: What is the highest mountain in South America?

Questions

"---------------, if false, is of no importance, and if true, of infinite importance. The only thing it cannot be is moderately important."- Clive Staples Lewis (1898-1963)?

"Christmas is over and Business is Business."- Franklin Pierce Adams?

"-------------. Millions of people being lonesome together."- Henry David Thoreau?

"-------------- has taught us to eat with a fork, but even now if nobody is around, we use our fingers."- Will Rogers?

"Civilization is unbearable, but it is less unbearable at the top."- Timothy Leary?