Coal has been the backbone of industrial progress, but its future must balance economic needs with environmental responsibility.
最好的数学不仅仅是逻辑的;它是直观和创造性的,将严谨与想象力结合在一起。
The key to success in research is to focus on fundamental problems that have long-term impact.
The function of mental processes is to mediate between the needs of the organism and the demands of the environment.