Psychology must be a science of facts, not theories.

There are two ways to extend a business. Take inventory of what you are good at and extend out from your skills. Or determine what your customers need and work backwards, even if it requires learning new skills.

沉默是艺术中最响亮的声音。

The key to success is to keep growing in all areas of life - mental, emotional, spiritual, as well as physical.

Democracy means simply the bludgeoning of the people by the people for the people.

The very nature of the stock market is to make fools of as many people as possible.

反馈是冠军的早餐，但大多数人不想吃他们的早餐。