There are some people who never have fallen in love,if they hadn't heard there was such a thing.
理解变化的唯一方式就是投身其中,随之而动,加入这场舞蹈。
数学不是一项观赏性运动;要理解它,必须积极参与其中。
Success is not about perfection, but about continuous improvement and adaptation to change.