Boy meets world 'do good' memorable line

Topanga Lawrence-Matthews: We wanted to know if you had anything left to teach us. 
George Feeny: No. My work with you is done. 
Shawn Hunter: I don't know. That's pretty scary. Going into a whole new world. 
George Feeny: And you are ready to go into that world. 
Eric Matthews: Even me? 
George Feeny: Even you. Believe in yourselves. Dream. Try. Do good. 
Topanga Lawrence-Matthews: Don't you mean do well? 
George Feeny: No I mean do good.