"Success comes from knowing what you don't know more than from knowing what you do know."

"Knowing how to deal well with not knowing is far more important than knowing."

"Mere change is not growth. Growth is the synthesis of change and continuity, and where there is no continuity there is no growth."

"Education without values, as useful as it is, seems rather to make man a more clever devil."

"You can't go back and change the beginning, but you can start where you are and change the ending."

"Don't shine so that others can see you. Shine so that through you, others can see him."