The most important thing in life is to have a sense of purpose and to pursue it with passion.
当侦探就像当科学家一样,你必须注意到别人没注意到的事情。
商业的成功源于理解人,而不仅仅是产品。
The same principles which at first view lead to skepticism, pursued to a certain point, bring men back to common sense.
What people need and what they want may be very different.
化学的语言是普遍的,它的符号被所有国家理解。