—— 请按键盘 空白键 开始游戏 ——

Mathematics is a creative endeavor, just like art or music.
The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
爱好学习接近智慧,努力行善接近仁德,知道耻辱就接近勇敢。
Success in the energy industry is measured not just by profits, but by the positive impact we have on society.