Nada é permanente, excepto a mudança.

“All things come into being by conflict of opposites.”

“ἀθάνατοι θνητοί, θνητοὶ ἀθάντατοι, ζῶντες τὸν ἐκείνων θάνατον, τὸν δὲ ἐκείνων β…”

“It is difficult to fight against anger; for a man will buy revenge with his sou…”

“Opposition brings concord. Out of discord comes the fairest harmony.”