The true paradises are the paradises that we have lost.

The deterioration of every government begins with the decay of the principles on which it was founded.

多疑的人是不会因此而满足的；他们往往不是因为有了什么理由而嫉妒，只是为了嫉妒而嫉妒，那是一个凭空而来、自生自长的怪物。

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

Don’t let fear decide your future.

The greatest inventions are those which most directly meet the wants of mankind.

All the great things are simple， and many can be expressed in a single word： freedom， justice， honor， duty， mercy， hope.