What surprises you most about mankind?

"What surprises you most about mankind?" 
"That they get bored of being children, and rush to grow up, then long to be children again.
"That they lose their health to make money and then lose their money to restore their health.
"That by thinking anxiously about the future, they forget the present, such that they live neither for the present nor the future. 
"As a parent, what are some of life's lessons you want your children to learn?"
"To learn that what is most valuable is not what they have in their lives, but who they have in their lives.
"To learn that there are persons that love them dearly, but simply do not know how to express or show their feelings.
"To learn that money can buy everything but happiness.
"To learn that two people can look at the same thing and see it totally different.
"To learn that a true friend is someone who knows everything about them...and likes them anyway.
"To learn that it is not always enough that they be forgiven by others, but that they have to forgive themselves."