The personality of the teacher is the cornerstone of education.

A commonwealth is said to be instituted when a multitude of men do agree， and covenant， every one， with every one， that to whatsoever man， or assembly of men， shall be given by the major part， the right to present the person of them all， that is to say， to be their representative.

Old minds are like old horses; you must exercise them if you wish to keep them in working order.

We change our behavior when the pain of staying the same becomes greater than the pain of changing.

The intelligent investor is a realist who sells to optimists and buys from pessimists.

企业的成功离不开创新，只有不断创新，才能在激烈的市场竞争中立于不败之地。