The greatest lesson children need to be taught is
howto appreciate co-existence and
co-operate cooperation
with others.Very youngYoung children are rather self-
centredcentered, but, as they grow up, they acquire the ability to consider others' interests as well as their own.
The greatest lesson children need to be taught is how to co-exist and co-operate with others. Very young children are rather self-centred, but, as they grow up, they acquire the ability to consider others' interests as well as their own. They also learn to take on more responsibility, so that by adulthood most children mature into reliable individuals with a well-developed sense of duty.
Include more specific examples to back your reasoning.
You write very well :)