Energy security is a crucial part of national strategic security, and we must firmly keep it in our own hands.
能源安全是国家战略安全的重要组成部分，我们必须牢牢把握在自己手中。
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
自然知识的改进者绝对拒绝承认所谓的权威。
"Every mental state is transitional."