Mathematics is the most beautiful and most powerful creation of the human spirit.
Live the life you love. Love the life you live.
所以从前的贤君按照农事来生财,巩固根本并节约用度,财务自然就丰足了。 
You will never be happy if you continue to search for what happiness consists of. You will never live if you are looking for the meaning of life.
文学的目的是将血液转化为墨水。