Immature Proverbs

The immature rice stalk stands erect, while the mature stalk, heavy with grain, bends over. (Cambodian Proverb)
The juice of an Immature coconut Is not like the real coconut juice. View proverb
Swahili Proverb
You are only young once, but you can stay immature indefinitely. View proverb
African Proverb