A good abstraction is one that captures the essential aspects of a concept while ignoring the irrelevant details.
孩子越能够专心,就越能从工作中得到平静,就越能发自内心地纪律或规则。
To be a poet is to have a soul so quick to discern, that no shade of quality escapes it.
教师的任务是唤醒创造性表达和知识的乐趣。
In mathematics, the art of proposing a question must be held of higher value than solving it.