What I hear, I forget. What I say, I remember. What I do, I understand.

Tell me and I [will] forget. Show me and I [will] remember. Involve me and I [will] understand. | 不聞不若聞之，聞之不若見之，見之不若知之，知之不若行之；學至於行之而止矣 | From Xun Zi 荀子