Education is life itself, not a preparation for life.
教育本身就是生活,而不是为生活做准备。
Coal isn't the problem - how we use it is. The solution lies in cleaner technologies and better utilization.
科学与社会的对话必须持续进行。
心理活动总是朝向某个目的。
太阳,带着所有围绕它运行并依赖它的行星,仍然能催熟一串葡萄,仿佛它在宇宙中无事可做。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.