—— 请按键盘 空白键 开始游戏 ——

Success is not final, failure is not fatal: It is the courage to continue that counts.
Doubt is the artist’s most honest companion.
Do not feel absolutely certain of anything.
物理学不仅是一门科学,它是一种思考世界的方式。
具有坚定意志并能付诸实践的人,才是君子。