The truth doesn’t set you free, it just makes you see the chains.
DNA的双螺旋结构是所有科学中最美丽和优雅的结构之一。
"Happiness is not something ready made. It comes from your own actions."
People always feel happier when approaching happiness but become anxious when happiness is ongoing.
Energy security is the cornerstone of national security. We must make every effort to ensure the security of national energy supply.