An eye for an eye only ends up making the whole world blind.
Only those who dare to fail miserably can ever achieve greatly.
Today you are you, that is truer than true. There is no one alive who's more youer than you.
Once the cow's been milked there's no squirting the cream back up her udder.
It is good to know, how not to know, how much one is knowing.
Great spirits have always encountered violent opposition from mediocre minds.
Not everything that is faced can be changed, but nothing can be changed until it is faced.