Hence the saying: If you know the enemy and you know yourself, your victory will not stand in doubt; if you now Heaven and you know Earth, you may make your victory complete.
The crows maintain that a single crow could destroy the heavens. There is no doubt of that, but it proves nothing against the heavens, for heaven simply means: the impossibility of crows.
...One who possesses four qualities is deposited in heaven as if brought there. What four? Bodily good conduct, verbal good conduct, mental good conduct, and gratitude or thankfulness. One possessing these four qualities is deposited in heaven as if brought there.
The impulse which directs to right conduct, and deters from crime, is not only older than the ages of nations and cities, but coeval with that Divine Being who sees and rules both heaven and earth.