There are many here, please choose, please add points, thank you!

A journey of a thousand miles begins with a single step.

Human talent is achieved through specialization and destroyed by miscellaneousness. -Song Dynasty, Wang Anshi, the emperor's talent as a calligrapher of thousands of words, success lies in concentration, but failure lies in miscellaneous knowledge but not proficiency

Love to learn but not second-guessing. ——"Zuo Zhuan"

Concentrate on learning but not half-heartedly.

Intensify your study, grasp the center, and prefer to be refined rather than miscellaneous, and be specialized rather than numerous.

——Zhou Enlai (modern revolutionary and politician)

The art of learning is the art of chewing carefully and swallowing slowly. Just like eating, you must chew it thoroughly to digest it well. It will be beneficial to the human body.

---Tao Zhu