We've found 18 phrases for impossible (0.131 seconds):

the spirit is willing but the flesh is weak »    (proverbs) For much as one wishes to achieve something, the frailties of the human body often make it impossible.

unring a bell »    To perform the impossible.

you can't teach an old dog new tricks »    It is impossible, or almost impossible, to change people's habits or traits or mindset.

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