Diligence
Diligence is important to us.
"Diligence is the key to success".Without diligence,we may be the loser.
"Diligence redeems stupidity".Maybe somebody is much more clever than you,but if he doesn't have deligence,he may be lose in the end.Perhaps Someone is not so smart,but if he has diligence,he can still win at last.
So,we must have diligence!