编写无错误程序的方式有两种：只有第三个有效。
Creativity requires the courage to let go of certainties.
一个人的价值或价值，就像所有其他事物一样，是他的价格；也就是说，为了使用他的力量而愿意付出的代价。
真正的危险不是计算机开始像人一样思考，而是人开始像计算机一样思考。
Certification standards are the compass for responsible forestry.
The individual has become a mere cog in an enormous organization of things and powers which tear from his hands all progress, spirituality, and value in order to transform them from their subjective form into the form of a purely objective life.
Diplomacy requires overcoming the temptation of short-term interests and focusing on long-term benefits and global development.