教师的任务是引导学生从已知走向未知。
The task of the teacher is to lead the student from the known to the unknown.
The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.
Baking is not just about following recipes; it's about understanding the science behind the ingredients and the process.