The most important thing in singing is sincerity, technique is just auxiliary.

衡量公司成功的真正标准不仅是财务表现，还有其对社会的积极影响。

解释：遵守礼制，可使国家长久，使社稷安定，让人们尊卑有别，上下有序，对后代是有益处的。

The study of the mind must be based on direct observation.

We use mathematics to understand the markets, not to predict them.