So long as you have food in your mouth, you have solved all questions for the time being.

Confidence comes from preparation and knowing your stuff.

The beauty of a structure lies in its logic.

I'm a creative genius and there's no other way to word it.

Ask not what your country can do for you --ask what you can do for your country.

不要用很多词语说一点东西，而要在很少的词语中表达很多。