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The difference between ‘involvement’ and ‘commitment’ is like an eggs-and-ham breakfast: the chicken was ‘involved’ – the pig was ‘committed’. (unknown)

Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth. (Sherlock Holmes (by Sir Arthur Conan Doyle, 1859-1930))

https://www.youtube.com/watch?v=t4CUNVYxxZM