Live every day as if it were your last-Helen Keller

Don't be idle, feel sad for nothing-Yue Fei

Once the youth is gone, it will never come again, and you will never see the arrival of the next day. Encourage yourself in time, time waits for no one-Tao Yuanming

Life is hard work and no gain-Zhang Heng

Indulge in diligence and waste it on drama, and what you do is destroyed by thinking-Han Yu

After a hard day, you can have a good sleep; If you work hard all your life, you will sleep happily-Leonardo da Vinci (Italy)