The mastery of work is due to diligence but not to play, and success is achieved by thinking and ruined by casualness. ——Zhu Xi

In life, if there is a gap between heaven and earth, it will happen suddenly. ——Zhuangzi

Ideals are guiding lights. Without ideals, there is no firm direction; without direction, there is no life. —— Tolstoy

As long as you live seriously for yourself, as long as you work hard for the important people in your life, this in itself is a kind of perfection. ——Tong Ling

We should work hard and make a difference. In this way, we can say that we have not wasted our years and possibly left our footprints on the beach. ——Napoleon

Ideal books are the key to wisdom. ——Tolstoy

For a person, what is expected is nothing else, but that he can go all out and devote himself to a good cause. —— Einstein

We must have perseverance, especially self-confidence! We must believe that our talents are used to do something, no matter how high the cost, this kind of thing must be done . ——Marie Curie

If human activities are not inspired by ideals, they will become empty and insignificant. ——Chernyshevsky

A person who is not inspired by the enthusiasm of devotion will never do anything great. ——Cheer