Children are the keys of paradise.

Every child is an artist. The problem is how to remain an artist once we grow up.
Children are the hands by which we take hold of heaven.
Children must be taught how to think, not what to think.
Children are the world's most valuable resource and its best hope for the future.
A child is a curly, dimpled lunatic.
It is easier to build strong children than to repair broken men.

Children are one third of our population and all of our future.
To every child – I dream of a world where you can laugh, dance, sing, learn, live in peace and be happy.
The soul is healed by being with children.

Children see magic because they look for it.
Children are the living messages we send to a time we will not see.
Children are like wet cement: whatever falls on them makes an impression.
A child miseducated is a child lost.
Children are not things to be molded, but are people to be unfolded.
There can be no keener revelation of a society's soul than the way in which it treats its children.

Play is the work of the child.