An agreeable companion on a journey is as good as a carriage.
Publilius (Syrus) Quotes
There is no fruit which is not bitter before it is ripe.
It is bad advice that cannot be altered.
Many receive advice, few profit by it.
Admonish your friends privately, but praise them openly.
You should hammer your iron while it is glowing hot.
He who helps the guilty shares the crime.