Are there any famous aphorisms about dedication and work?

The school requires teachers to become artists in their own jobs. -Einstein

2. Educators should have a deep understanding of the growing people's thoughts ... Only by constantly studying students' psychology throughout their educational career and deepening their psychological knowledge can they become real experts in educational work. -Suhomlinski

Teachers' working and creative time is like a big river, which needs many streams to nourish it. Teachers often read books, and the more knowledge they usually accumulate, the easier it will be to attend classes. -Suhomlinski

4. Teachers are an active member of the big organization to overcome human ignorance and bad habits, an intermediary between all noble and great people in the past history and the new generation, a preserver of the sacred teachings of those who strive for truth and happiness, and a living link between the past and the future. -ushinski

Teachers' prestige is based on their sense of responsibility. makarenko

6. Take dedication and happiness as the foundation and soul of being a man-Mark Twain.