Motivation. Rewards. Control.

"There are no children, just people" (Janusz Korczak)
"Maybe children really aren’t so different from adults, only they live differently, and have different rules." (Janusz Korczak)

"Freedom of choice is more to be treasured than any possession earth can give." (David O. McKay)
"Happiness is the freedom of choice. The freedom to choose where to live, what to do, what to buy, what to sell, from whom, to whom, when and how." (Eleni Zaude Gabre-Madhin).