Tom works more diligently now.
The industrious merchant worships his ancestors.
I like him all the better for his diligence.
Hard work enabled him to succeed.
Your sister is the most diligent of all my friends.
It goes without saying that diligence is a key to success.
The Japanese are as hardworking as any people in the world.
He is not so diligent as he used to be.
Needless to say, diligence is a key to happiness.
Indeed he may be a little dull, but he is diligent.