质量是免费的。它不是礼物,但它是免费的。花钱的是那些不质量的东西——所有那些没有第一次就把工作做好的行为。
Every setback is a setup for a comeback.
科学通过不断质疑和完善我们的理解而进步。
可持续性不是一种选择;它是我们对后代的责任。
The only limit to our realization of tomorrow is our doubts of today.
The course of human life is not determined by drives or environment alone, but by creative self-direction as well.