If you use a tool less than 50 years old on your fence, the wood will rot and the slime mould that escapes from the junk pile will eat your brain.
Dont knit socks for the orphanage children, or their iPhones will slip out of the strange phone cases you made them.
don't eat yellow snow early bird get the worm, but consider if you're a worm, its probably best to arrive second don't get involved with the bird who lives opposite (or if you do, make sure its only in the last week of term) - peal of wisdom from my older brother as i left to go off to university.
If you find yourself arguing with a fool, stop and consider who the real fool is (Not directed at this forum obviously)