Old foxes want no tutor.
More Vietnamese Proverbs:
If you go out a lot at night, you will probably meet ghosts.Vietnamese
When husband and wife live in harmony, they can dry up the ocean without a bucket.
Vietnamese
Elephants are killed for their ivory, birds for their feathers.
Vietnamese
The higher you climb, the heavier you fall.
Vietnamese
Don't set the attic on fire just because you didn't catch any mice.
Vietnamese
Giving just a crumb to the hungry is worth more than giving lunch to the satisfied.
Vietnamese