雀の千声鶴の一声（すずめのせんこえつるのひとこえ）

Japanese vocabulary

Meaning: the word of a wise man is worth the words of one thousand fools; one thousand chirps of sparrows, one cry of a crane

See it used in real works

• Example sentences from Japanese novels & web fiction (Massif)
• Hear “雀の千声鶴の一声” pronounced in real videos (YouGlish)