Imitate the following sentence patterns, still starting with "happiness is", quote appropriate famous ancient poems and write a sentence by imitation.

Happiness is the affection of "However, when China has our friendship, heaven is still our neighbor".

Happiness is to believe that "there is another village without doubt."

Happiness is the courage to "cross the knife and laugh at the sky, leaving two Kunlun mountains".

Happiness is the insistence that "there are thousands of spacious buildings in Qian Qian, and all the poor in the world are happy".

Happiness is the perseverance of "insisting that the green hills are not relaxed, and the roots are broken rocks".

Happiness is the heroism of "One day, I will ride the wind and waves, sail straight and cross the deep sea".