Your self-worth is determined by you. You don't have to depend on someone telling you who you are.
Music is the universal language of mankind.
The development of modern culture is characterized by the predominance of what one might call the objective spirit over the subjective spirit.
The study of black holes has led us to the edge of our understanding, where the known laws of physics break down and new theories must emerge.
The historian will tell you what happened. The novelist will tell you what it felt like.
儿童的一切教育都必须遵循一个原则,即帮助孩子身心自然的发展。