Free competition is the great means of increasing the efficiency and prosperity of the economic system.

The weight of the past is heavier than the future.

天然气在能源转型中的作用再怎么强调也不为过。

I disapprove of what you say， but I will defend to the death your right to say it.

The truth is rarely pure and never simple.

The most important step in emancipating oneself from social controls is the ability to find rewards in the events of each moment.

如果你和你的竞争对手做的事情本质上是一样的，你可能不会太成功。