The book HaYom Yom, from Day to Day, daily is a source of deep insights that I find very profound... Sunday, 16 Adar II, 5765 - March 27, 2005...
Avoda (G-dly service) for the businessman includes arousing within himself the faith (emuna) and perfect trust (bitachon) in the One Who feeds and sustains all flesh, that He will provide him with an ample livelihood. He must be truly happy and cheerful, as though all his livelihood were already in hand.
This past Shabbos (Sabbath / Saturday), I had a discussion with another hossid, a hasidic Jew, (Reb Chaim) who delved into the difference between emunah (faith) and bitachon (perfect trust).
The difference is best explained with examples. I have faith that G-d exists and created this universe. I don't, however, make decisions on this basis (such as choosing a place to work or live). I have bitah'on (emphasis on the last part of the word) [perfect trust] that G-d will fulfill the words of the Torah and prophets, that I can rely on G-d, and may choose to take or not take a particular action because of it.
The power of bitachon (perfect trust) is that by taking action based on bitachon (perfect trust), one can actually draw down blessings.
BS"D - בסיעתא דשמיא