Being the tyrannical and ruthless 霸道 Ren Woxing, let me give you gentlemen my single most favorite quote of tyrannical ruthlessness, from Cao Cao:
"宁可我负天下人,不可天下人负我"
Better for I to betray all the people of the world, than the people of the world betray me.
C'mon, isn't that the best quote ever?