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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.
I heard that from a friend the other day!
People don't notice whether it's winter or summer when they're happy.
~ Anton Chekhov
Cheer up, emo kid.