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Don't let anyone tell you that you can't do something.
The only way to have a good day is to start it with a positive attitude.
Not necessarily your mother, or indeed mine, but, as it were, the ideal mother, somebody who doesn't care about your achievements. Unfortunately, most people are not our mothers. Most people make a strict correlation between how much time, and if you like, love -- not romantic love, though that may be something -- but love in general, respect --they are willing to accord us, that will be strictly defined by our position in the social hierarchy.
The greatest theorems often arise from questioning the obvious.