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.

The greatest weapon against stress is our ability to choose one thought over another.

长期成功的关键是为社会创造价值。