There are similar sentences, wine is not good or fragrant, people can't learn, food is not enough, water is not muddy, words are unclear, and hands are not clean.

Meaning: Although the road is short, you can't get there if you don't go. Things are small, but you can't succeed if you don't do them; The wick is not lifted, and the lamp is not dim; If you don't distinguish, you won't understand the truth! ! Inspiration: Only by doing it can we understand the mystery! The truth must be distinguished to understand!