“Only the impossible is worth attempting. In everything else one is sure to fail.”

“The only thing of which we can be sure—time passes—everything else is vanity.”

“Only the impossible is worth the effort.”

“There are many things that seem impossible only so long as one does not attempt them.”

“Everything' is infinite. Which will be impossible for anyone to know. Human beings only care about methods of survival and nothing else.”

““There’s something else, Mr. Muzzlehatch.”
“I’m sure there is. In fact there is everything else.””

“One needs no particular talent to be polite. On the contrary, being nice is what's left when you've failed at everything else.”

“… when everything else fails, we communicate in the language of the stars”

“Only those who attempt the absurd can achieve the impossible.”

“Only he who attempts the absurd is capable of achieving the impossible.”