Earnestness is the secret of success, carelessness is the companion of failure (Europe)

A serious person only makes a mistake once (Arab)

Everything worth doing, It’s worth doing well (UK)

The most fearful thing in the world is the word “seriousness”

Tie the rope tightly three times and settle the account three times

Detailed A craftsman makes a skillful craftsman

Fine grinding makes a sharp knife

What I am doing now is the biggest thing in my life, whether it is conducting a symphony orchestra or peeling oranges. ——Toschenini

Focus on achieving the future. (Anonymous)

Focus, love, and concentrate on what you want, and you will definitely gain something. (Emerson)

As long as you focus on a certain cause, you will definitely achieve results that surprise you. (Mark Twain)

We can only find happiness by focusing on the few most important things and not worrying about a lot of irrelevant details. Only by doing less can we have more time to enjoy life. Only by persisting in making more with less can we achieve a complete life. (Anonymous)