用扭曲的人性之材,造不出完全笔直的东西。
作家的生活是一种失败的生活。
企业的角色是生产比其成本更有价值的商品和服务,同时尽可能少地消耗资源。
Sustainable development is not a slogan but a concept that must be practiced. We must keep the land forever vibrant.
In mathematics, there are no shortcuts.
The most important skill in mathematics is the ability to think clearly.