There is more than one way of doing some good to suffering humanity. He should find the way which suits his own temperament, qualifications, and karmic possibilities. For instance, he must not regard a trade or a business as an activity that is neither useful nor necessary. Business is so broad that it is possible to find branches of it that are superior enough to fulfil the double function of making a livelihood and helping others.
-- Notebooks Category 2: Overview of Practices Involved > Chapter 8: The Quest and Social Responsibility > # 132