External cases that lead to lowered grades always inspired me to complain to the principle. I've gotten teachers in trouble more than once this way.
niiiiiiiiiiice
The world will never know what they're missing if that child is never born. It's a what if chance that has less than a 0.1% chance of happening in the first place. If Einstein of Steven Hawking were never born, would we know the difference any more than if some Adam Atkins or Valerie Shapiro were born? No, we'd go on exactly as we are in a slightly altered direction. ​
it will alter what genes our parents pass on to us. and it's possible that we wouldn't exist at all if children with a different genetic makeup.