"True heroism is remarkably sober, very undramatic. It is not the urge to surpass all others at whatever cost, but the urge to serve others at whatever the cost."
— Arthur Ashe

"He who controls others may be powerful, but he who has mastered himself is mightier still."
— Lao-tzu

"[It's] change my dear. And it seems not a moment too soon."
— The 6th Doctor