Stashed in: Author Unknown
I could not find the author of the line, but I did find this.
It's a good quote. It's rewarding to make someone feel good about themselves :)
The greatest danger to our future is apathy. ~Jane Goodall
The joy in life is his who has the heart to demand it. ~Theodore Roosevelt
It is the supreme art of the teacher to awaken joy in creative expression and knowledge. ~Albert Einstein
May your life preach more loudly than your lips. ~William Ellery Channing