The man who passes the sentence should swing the sword.

The sun will soon be setting, and corpses make poor company by night. These were dark and dangerous men, alive. I doubt that death will have improved them.

If? The word is when.

The brightest flame casts the darkest shadow.

Kind? How boring that would be. I aspire to be wicked.

One of your northmen hit me with a morningstar during the battle on the Green Fork. I escaped him by falling off my horse. (Tyrion)

The storms come and go, the waves crash overhead, the big fish eat the little fish, and I keep on paddling. (Varys)