Misc: Name the Gold Medal winner in the Men's Long Jump at the 1964 Olympic Games?

Questions

"You can't depend on your eyes when your ---------- is out of focus."- Mark Twain (1835-1910)?

"You can't have a long successful career without a ------------."- Nolan Ryan?

"You can't make a ----------- out of a Sow's Ear."- Jonathan Swift?

"You can't shake hands with a ----------------."- Indira Gandhi (1917 - 1984)?

"You come to love not by finding the perfect person, but by seeing an imperfect person ----------."- Sam Keen?