I don't let negativity steal my joy.

Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life.

Release me from my unfulfilled past clinging to me from behind making death difficult.

In mathematics, you don't understand things. You just get used to them.

The state is the most important institution in human history.

释义：聪明人舍弃短处，发挥长处，以此来取得成功。阐明了扬长避短的重要性。