“Chemistry without catalysis would be a sword without a handle, a light without brilliance, a bell without sound.”

“Without reading, we are all without light in the dark, without fire in the cold.”

“There is no day without darkness and night without light.”

“True love comes quietly, without banners or flashing lights. If you hear bells, get your ears checked.”

“Without hatred where's the light?
Without darkness where's the love?”

“Without darkness, nothing comes to birth, As without light, nothing flowers.”

“We need knew knights, but without swords.”

“Love governs his empire without a sword.”

“Because I can't handle the nightmares. Not without you.”

“They say there is no light without dark, no good without evil, no male without female, no right without wrong. That nothing can exist if it's direct opposite does not also exist.”