"By the end of the summer of 1973 I thought it was virtually impossible for South Vietnam to survive. How in the heck could they?"

"Mother love is the fuel that enables a normal human being to do the impossible"

"What is real is not the external form, but the essence of things... it is impossible for anyone to express anything essentially real by imitating its exterior surface"

"It is impossible to begin to learn that which one thinks one already knows"

"It is impossible to suffer without making someone pay for it; every complaint already contains revenge"

"Nothing is impossible, the word itself says 'I'm possible'!"

"The word impossible is not in my dictionary"

"The only way of finding the limits of the possible is by going beyond them into the impossible"

"The impossible often has a kind of integrity which the merely improbable lacks"

"Nothing is impossible to a willing heart"

"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair"