"It is not a lucky word, this same impossible; no good comes of those that have it so often in their mouth."

"Hope not for impossibilities."

"It is easy to kill someone with a slash of a sword. It is hard to be impossible for others to cut down."

"Achieving impossibilities is the method of Economy of Evolution; ...all directed to a discovery of the Creativeness o…"

"You cannot make a crab walk straight."

"And what's impossible, can't be, And never, never comes to pass."

"Few things are impossible to diligence and skill."

"Simul flare sorbereque haud facile Est: ego hic esse et illic simul, haud potui."

"Certainly nothing is unnatural that is not physically impossible."

"Certum est quia impossibile est."