蟻の思いも天に届く（ありのおもいもてんにとどく）

Japanese vocabulary

Meaning: you can do anything if you set your mind to; even an ant's thoughts reach the heavens

See it used in real works

• Example sentences from Japanese novels & web fiction (Massif)
• Hear “蟻の思いも天に届く” pronounced in real videos (YouGlish)