So what is discord at one level of your being is harmony at another level.
— Alan Watts

Opposition brings concord. Out of discord comes the fairest harmony.
Heraclitus discordant quote

Cease, warring thoughts, and let his brain No more discord entertainBut be smooth and calm again.
— James Shirley

Couples are wholes and not wholes, what agrees disagrees, the concordant is discordant. From all things one and from one all things.
— Heraclitus

Medicine to produce health must examine disease; and music, to create harmony must investigate discord.
— discordant quotation by Plutarch