Muhammad Ali — American Athlete born on January 17, 1942,

Muhammad Ali is an American former professional boxer, generally considered among the greatest heavyweights in the sport's history. A controversial and polarizing figure during his early career, Ali is now highly regarded for the skills he displayed in the ring plus the values he exemplified outside of it: religious freedom, racial justice and the triumph of principle over expedience. He is one of the most recognized sports figures of the past 100 years, crowned "Sportsman of the Century" by Sports Illustrated and "Sports Personality of the Century" by the BBC... (wikipedia)

Progress is impossible without change, and those who cannot change their minds cannot change anything. George Bernard Shaw
Darkness comes. In the middle of it, the future looks blank. The temptation to quit is huge. Don't. You are in good company... You will argue with yourself that there is no way forward. But with God, nothing is impossible. He has more ropes and ladders and tunnels out of pits than you can conceive. Wait. Pray without ceasing. Hope. John Piper
In order to attain the impossible, one must attempt the absurd. Miguel de Cervantes
Don't let nobody tell you that you can't do it. Love what you do until you don't love it anymore. Nothing's impossible. Fetty Wap
When you get just a complete sense of blackness or void ahead of you, that somehow the future looks an impossible place to be, and the direction you are going seems to have no purpose, there is this word despair which is a very awful thing to feel. Stephen Fry