The chance of luck is like the Milky Way, they are inconspicuous as individuals, but they are brilliant as a whole. Similarly, one can also make small efforts to achieve happiness, which is to continuously improve virtue. What is the main content of this text? ['One or two lucky opportunities are not conspicuous. Several lucky opportunities will bring success and glory.', 'Individuals are lucky to get lucky, and many people will be lucky to be noticeable.', 'Possesses many fine qualities and may be lucky.', 'A certain kind of good quality is inconspicuous, and it will look brilliant with many good qualities.']