没有严格的执行,认证标准就毫无意义。
Certification standards are meaningless without rigorous enforcement.
You may not be able to alter reality, but you can alter your attitude towards it.
我们对自然的自觉认识所能解决的最直接且在某种意义上最重要的问题,是对未来事件的预测,以便我们能根据这种预测安排当前的事务。
There is no more intrepid a voyager than the philosopher.