"Before dawn, we should be knowledgeable and learn from ourselves." It means that before learning knowledge, we should understand some basic principles and truths, so as to broaden our knowledge; In practice, we should be down-to-earth and start from ourselves in order to deeply understand and comprehend the knowledge we have learned.
This sentence emphasizes the importance of theoretical knowledge and practical experience in the learning process, and the role of understanding basic principles in broadening knowledge.