心こころ内うちにあれば色いろ外そとにあらわる

expression, nidan verb (lower class) with 'ru' ending (archaic)

what you believe in your heart is revealed in your face

Proverb meaning that one's inner thoughts and feelings naturally show on one's countenance. Archaic verb form あらわる (modern あらわれる).

• 「心こころ内うちにあれば色いろ外そとにあらわる」というように、彼かれの不ふ安あんは表ひょう情じょうに出でていた。

  As the proverb says, 'What you believe in your heart is revealed in your face,' his anxiety showed on his face.