“Give me a lever long enough and a fulcrum on which to place it, and I shall move the world.”
This was a quote from Achimedes but i was wondering if it was through for every application that a lever long enough can lift anything even the world.

“Learning never exhausts the mind”
This was a quote from Leonardo Da Vinci, I was wndering if this was through as i think most students will feel that going to school to learn in tiring not only physically but mentally.

“A well-spent day brings happy sleep”
This was a quote from Leonardo Da Vinci, Will a well-spent day really bring happy sleep?

"This should be in the Water Cooler and it really doesn't need all those exclamation marks:

-Cijay from Edmonton

"You will take a shower after gym class." Coach Howie Vogts in his annual address to incoming freshmen classes at my high school, way back when.

That quote makes as much sense as the OP's quotes.