Black hair doesn't know how to study early, while white hair regrets studying late.
Don't wait. The young man's head is white, and he is empty and sorrowful. Yue Fei
When a man is determined, his black hair doesn't know how to study early, and his white head regrets that he studies late.
Time is like water in a sponge. As long as you are willing to squeeze, there will always be some
It is difficult for young people to learn and old people to succeed.
No homework, Xueba will help you.
Time is like water in a sponge. As long as you are willing to squeeze, there will always be some.
If the young do not work hard, the old will be sad.
The diligent man is the master of time, and the lazy man is the slave of time.
There are no two mornings in a day.