内省是唯一可以直接观察心灵的方法。
Introspection is the only method by which the mind can be directly observed.
Who hears music, feels his solitude peopled at once.
The healthy social life is found when in the mirror of each human soul the whole community finds its reflection, and when in the community the virtue of each one is living.
气候的变化不是一朝一夕的原因，而是逐渐积累的结果。
技术应该像电力一样在后台为你工作。
The development of the industry requires the joint promotion of policies, technology, and the market.