没有执行的创新只是空想。
The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.
Energy security is a crucial part of national strategic security, and we must firmly keep it in our own hands.
The story of my upbringing is the story of how a half-baked Indian is made.
The beauty of mathematics lies in its ability to reveal the hidden structures of reality.