The function of education is to teach one to think intensively and to think critically... Intelligence plus character - that is the goal of true education.     
Martin Luther King, Jr.

Educating the mind without educating the heart is no education at all.
Aristotle

The highest result of education is tolerance.
Helen Keller

When schools flourish, all flourishes.
Martin Luther

The tax which will be paid for the purpose of education is not more than the thousandth part of what will be paid to kings, priests and nobles who will rise up among us if we leave the people in ignorance.         
Thomas Jefferson