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Merry Christmas and a Happy New Year!
In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
MERRY CHRISTMAS EVERYBODY
You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei