Since our circumstances are determined by our previous actions, and what we deserve comes to us by nature's law, then it is a waste of money and time to buy lottery tickets. It is better to focus on creating beneficial actions that are sure to result in what we need. If you need a better income, then improve your business sense and work in a better way: you should read the next chapter in the book:
http://gnosticteachings.org/books-by-samael-aun-weor/introduction-to-gnosis/355-lesson-four.html
Regarding the tattvas, however, he wrote this elsewhere:
When the weather is cold, humid, rainy and the sky is cloudy with dense, large, black clouds this means that the cause of this is rooted in the Tattva of the water (Apas).