Classic quotes that encourage students to work hard are as follows:

1. Only by constantly pursuing progress can you realize your dreams.

2. Hard work creates miracles, and struggle creates brilliance.

3. Only through continuous learning and hard work can you become the person you want to be.

4. Only by constantly pursuing goals can we move towards the road to success.

5. Opportunities are only reserved for those who are prepared. In order to seize opportunities, we must always be prepared.