He has the most who is most content with the least.

All things are in common among friends.

Boasting, like gilded armour, is very different inside from outside.

Education gives sobriety to the young, comfort to the old, riches to the poor and is an ornament to the rich.

Love comes with hunger.

We have two ears and one tongue so that we would listen more and talk less.

Antisthenes used to say that envious people were devoured by their own disposition, just as iron is by rust. Envy of others comes from comparing what they have with what the envious person has, rather than the envious person realising they have more than what they could have and certainly more than some others and being grateful. It is really just an inability to get a correct perspective on their lives.