There is no good and evil, there is only power and those too weak to seek it.
Harry Potter and the Sorcerer's StoneMany people think that crying is a sign of weakness, they're wrong - it is a sign of healing.
Journey to the RainbowAnything that you cannot sacrifice pins you. Makes you predictable, makes you weak.
Prince of ThornsWills aren't really strong or weak; it is the characters that they express and serve that are.
A Temple of TextsWhen the officers are too strong and the common soldiers too weak, the result is COLLAPSE.
The Art of War