Time present and time past are both perhaps present in time future, and time future contained in time past.
现在的时间和过去的时间也许都存在于未来的时间，而未来的时间又包含于过去的时间中。
The dead are the most persistent historians.
The future of energy lies in the integration of traditional and renewable sources.
Art is a way of thinking about what it means to be alive.
