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。
Mathematics is the key to unlocking the secrets of the universe and understanding the fundamental laws that govern it.
The difference between a dream and a goal is a timeline.
Trust is the foundation of every strong relationship, whether with employees or customers.