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"You are old, father William," the young man said,
"And your hair has become very white;
And yet you incessantly stand on your head—
Do you think, at your age, it is right?"

"In my youth," father William replied to his son,
"I feared it might injure the brain;
But, now that I'm perfectly sure I have none,
Why, I do it again and again."

— Lewis Carroll

Warning: There really is no good reason for this dialogue to appear here. Since it has no relevance to anything crucially important, don't think too hard about it, ok? (Or, maybe, you should?)