If a young man does not work hard, he will be sad

An inch of time is worth an inch of gold, but an inch of gold cannot buy an inch of time

You must work hard to ride a horse, and you must sigh when you are old< /p>

Young people who don’t know how to study hard are too early to regret their studies.

Being good at work is due to hard work but wastes time in playing. Success is achieved by thinking but destroyed by following.

Bao Jianfeng The fragrance of plum blossoms comes from the bitter cold.

When the book is used, it will be less regrettable. It is difficult to understand things until they have been passed.